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cve-2023-0105
Vulnerability from cvelistv5
Published
2023-01-11 20:46
Modified
2024-08-02 05:02
Severity ?
EPSS score ?
Summary
A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.
References
▼ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | https://access.redhat.com/security/cve/CVE-2023-0105 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
redhat.com | Keycloak |
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gsd-2023-0105
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.
Aliases
Aliases
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rhsa-2023_7486
Vulnerability from csaf_redhat
Published
2023-11-24 16:53
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 for OpenShift image enhancement and security update
Notes
Topic
A new image is available for Red Hat Single Sign-On 7.6.6, running on OpenShift Container Platform 3.10 and 3.11, and 4.3.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat Single Sign-On for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services.
This erratum releases a new image for Red Hat Single Sign-On 7.6.6 for use within the OpenShift Container Platform 3.10, OpenShift Container Platform 3.11, and OpenShift Container Platform 4.3 cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.
Security Fix(es):
* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS
attack (Rapid Reset Attack) (CVE-2023-44487)
* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable
to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* bouncycastle: potential blind LDAP injection attack using a self-signed
certificate (CVE-2023-33201)
* keycloak: impersonation and lockout possible through incorrect handling of
email trust (CVE-2023-0105)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"pkg:oci/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514?arch=amd64\u0026repository_url=registry.redhat.io/rh-sso-7/sso76-openshift-rhel8\u0026tag=7.6-36" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x", "product": { "name": "rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x", "product_id": "rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x", "product_identification_helper": { "purl": "pkg:oci/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d?arch=s390x\u0026repository_url=registry.redhat.io/rh-sso-7/sso76-openshift-rhel8\u0026tag=7.6-36" } } } ], "category": "architecture", "name": "s390x" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64 as a component of Middleware Containers for OpenShift", "product_id": "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64" }, "product_reference": "rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "relates_to_product_reference": "8Base-RHOSE-Middleware" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le as a component of Middleware Containers for OpenShift", "product_id": "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le" }, "product_reference": "rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "relates_to_product_reference": "8Base-RHOSE-Middleware" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x as a component of Middleware Containers for OpenShift", "product_id": "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" }, "product_reference": "rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x", "relates_to_product_reference": "8Base-RHOSE-Middleware" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Willem Noort" ], "organization": "Inverid", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2023-0105", "cwe": { "id": "CWE-841", "name": "Improper Enforcement of Behavioral Workflow" }, "discovery_date": "2022-11-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2158910" } ], "notes": [ { "category": "description", "text": "A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.", "title": "Vulnerability description" }, { "category": "summary", "text": "keycloak: impersonation and lockout possible through incorrect handling of email trust", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "category": "external", "summary": "RHBZ#2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0105", "url": "https://www.cve.org/CVERecord?id=CVE-2023-0105" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105" }, { "category": "external", "summary": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj", "url": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj" } ], "release_date": "2023-01-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:53:18+00:00", "details": "To update to the latest Red Hat Single Sign-On 7.6.6 for OpenShift image, follow these steps to pull in the content:\n\n1. On your main hosts, ensure you are logged into the CLI as a cluster administrator or user with project administrator access to the global \"openshift\" project. For example:\n\n$ oc login -u system:admin\n\n2. Update the core set of Red Hat Single Sign-On resources for OpenShift in the \"openshift\" project by running the following commands:\n\n$ for resource in sso76-image-stream.json \\\nsso76-https.json \\\nsso76-mysql.json \\\nsso76-mysql-persistent.json \\\nsso76-postgresql.json \\\nsso76-postgresql-persistent.json \\\nsso76-x509-https.json \\\nsso76-x509-mysql-persistent.json \\\nsso76-x509-postgresql-persistent.json\ndo\noc replace -n openshift --force -f \\\nhttps://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.6.6.GA/templates/${resource}\ndone\n\n3. Install the Red Hat Single Sign-On 7.6.6 for OpenShift streams in the \"openshift\" project by running the following command:\n\n$ oc -n openshift import-image redhat-sso76-openshift:1.0", "product_ids": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7486" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "keycloak: impersonation and lockout possible through incorrect handling of email trust" }, { "cve": "CVE-2023-33201", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2023-06-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2215465" } ], "notes": [ { "category": "description", "text": "A flaw was found in Bouncy Castle 1.73. This issue targets the fix of LDAP wild cards. Before the fix there was no validation for the X.500 name of any certificate, subject, or issuer, so the presence of a wild card may lead to information disclosure. This could allow a malicious user to obtain unauthorized information via blind LDAP Injection, exploring the environment and enumerating data. The exploit depends on the structure of the target LDAP directory as well as what kind of errors are exposed to the user.", "title": "Vulnerability description" }, { "category": "summary", "text": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-33201" }, { "category": "external", "summary": "RHBZ#2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-33201", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33201" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201" }, { "category": "external", "summary": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201", "url": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201" } ], "release_date": "2023-06-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:53:18+00:00", "details": "To update to the latest Red Hat Single Sign-On 7.6.6 for OpenShift image, follow these steps to pull in the content:\n\n1. On your main hosts, ensure you are logged into the CLI as a cluster administrator or user with project administrator access to the global \"openshift\" project. For example:\n\n$ oc login -u system:admin\n\n2. Update the core set of Red Hat Single Sign-On resources for OpenShift in the \"openshift\" project by running the following commands:\n\n$ for resource in sso76-image-stream.json \\\nsso76-https.json \\\nsso76-mysql.json \\\nsso76-mysql-persistent.json \\\nsso76-postgresql.json \\\nsso76-postgresql-persistent.json \\\nsso76-x509-https.json \\\nsso76-x509-mysql-persistent.json \\\nsso76-x509-postgresql-persistent.json\ndo\noc replace -n openshift --force -f \\\nhttps://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.6.6.GA/templates/${resource}\ndone\n\n3. Install the Red Hat Single Sign-On 7.6.6 for OpenShift streams in the \"openshift\" project by running the following command:\n\n$ oc -n openshift import-image redhat-sso76-openshift:1.0", "product_ids": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7486" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate" }, { "cve": "CVE-2023-44487", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2023-10-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2242803" } ], "notes": [ { "category": "description", "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the Rapid Reset Attack in the Go language packages.\r\n\r\nSecurity Bulletin\r\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)", "title": "Vulnerability summary" }, { "category": "other", "text": "NGINX has been marked as Moderate Impact because, for performance and resource consumption reasons, NGINX limits the number of concurrent streams to a default of 128. In addition, to optimally balance network and server performance, NGINX allows the client to persist HTTP connections for up to 1000 requests by default using an HTTP keepalive.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.\n\nrhc component is no longer impacted by CVE-2023-44487 \u0026 CVE-2023-39325.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-44487" }, { "category": "external", "summary": "RHBZ#2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "external", "summary": "RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-44487", "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487" }, { "category": "external", "summary": "https://github.com/dotnet/announcements/issues/277", "url": "https://github.com/dotnet/announcements/issues/277" }, { "category": "external", "summary": "https://pkg.go.dev/vuln/GO-2023-2102", "url": "https://pkg.go.dev/vuln/GO-2023-2102" }, { "category": "external", "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487", "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487" }, { "category": "external", "summary": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/", "url": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2023-10-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:53:18+00:00", "details": "To update to the latest Red Hat Single Sign-On 7.6.6 for OpenShift image, follow these steps to pull in the content:\n\n1. On your main hosts, ensure you are logged into the CLI as a cluster administrator or user with project administrator access to the global \"openshift\" project. For example:\n\n$ oc login -u system:admin\n\n2. Update the core set of Red Hat Single Sign-On resources for OpenShift in the \"openshift\" project by running the following commands:\n\n$ for resource in sso76-image-stream.json \\\nsso76-https.json \\\nsso76-mysql.json \\\nsso76-mysql-persistent.json \\\nsso76-postgresql.json \\\nsso76-postgresql-persistent.json \\\nsso76-x509-https.json \\\nsso76-x509-mysql-persistent.json \\\nsso76-x509-postgresql-persistent.json\ndo\noc replace -n openshift --force -f \\\nhttps://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.6.6.GA/templates/${resource}\ndone\n\n3. Install the Red Hat Single Sign-On 7.6.6 for OpenShift streams in the \"openshift\" project by running the following command:\n\n$ oc -n openshift import-image redhat-sso76-openshift:1.0", "product_ids": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7486" }, { "category": "workaround", "details": "Users are strongly urged to update their software as soon as fixes are available. \nThere are several mitigation approaches for this flaw. \n\n1. If circumstances permit, users may disable http2 endpoints to circumvent the flaw altogether until a fix is available.\n2. IP-based blocking or flood protection and rate control tools may be used at network endpoints to filter incoming traffic.\n3. Several package specific mitigations are also available. \n a. nginx: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/\n b. netty: https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p\n c. haproxy: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487\n d. nghttp2: https://github.com/nghttp2/nghttp2/security/advisories/GHSA-vx74-f528-fxqg\n e. golang: The default stream concurrency limit in golang is 250 streams (requests) per HTTP/2 connection. This value may be adjusted in the golang.org/x/net/http2 package using the Server.MaxConcurrentStreams setting and the ConfigureServer function which are available in golang.org/x/net/http2.", "product_ids": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64le", "8Base-RHOSE-Middleware:rh-sso-7/sso76-openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390x" ] } ], "threats": [ { "category": "exploit_status", "date": "2023-10-10T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)" } ] }
rhsa-2023_7488
Vulnerability from csaf_redhat
Published
2023-11-24 16:57
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update
Notes
Topic
A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.6.6 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.
Security Fix(es):
* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)
* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.6.6 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.\n\nSecurity Fix(es):\n\n* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)\n* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:7488", "url": "https://access.redhat.com/errata/RHSA-2023:7488" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=patches\u0026version=7.6", "url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=patches\u0026version=7.6" }, { "category": "external", "summary": "2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7488.json" } ], "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update", "tracking": { "current_release_date": "2024-11-15T17:36:04+00:00", "generator": { "date": "2024-11-15T17:36:04+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:7488", "initial_release_date": "2023-11-24T16:57:47+00:00", "revision_history": [ { "date": "2023-11-24T16:57:47+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-24T16:57:47+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T17:36:04+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Single Sign-On 7", "product": { "name": "Red Hat Single Sign-On 7", "product_id": "Red Hat Single Sign-On 7", "product_identification_helper": { "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6.6" } } } ], "category": "product_family", "name": "Red Hat Single Sign-On" } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Willem Noort" ], "organization": "Inverid", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2023-0105", "cwe": { "id": "CWE-841", "name": "Improper Enforcement of Behavioral Workflow" }, "discovery_date": "2022-11-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2158910" } ], "notes": [ { "category": "description", "text": "A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.", "title": "Vulnerability description" }, { "category": "summary", "text": "keycloak: impersonation and lockout possible through incorrect handling of email trust", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Red Hat Single Sign-On 7" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "category": "external", "summary": "RHBZ#2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0105", "url": "https://www.cve.org/CVERecord?id=CVE-2023-0105" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105" }, { "category": "external", "summary": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj", "url": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj" } ], "release_date": "2023-01-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:57:47+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "Red Hat Single Sign-On 7" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7488" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ "Red Hat Single Sign-On 7" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "keycloak: impersonation and lockout possible through incorrect handling of email trust" }, { "cve": "CVE-2023-33201", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2023-06-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2215465" } ], "notes": [ { "category": "description", "text": "A flaw was found in Bouncy Castle 1.73. This issue targets the fix of LDAP wild cards. Before the fix there was no validation for the X.500 name of any certificate, subject, or issuer, so the presence of a wild card may lead to information disclosure. This could allow a malicious user to obtain unauthorized information via blind LDAP Injection, exploring the environment and enumerating data. The exploit depends on the structure of the target LDAP directory as well as what kind of errors are exposed to the user.", "title": "Vulnerability description" }, { "category": "summary", "text": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Red Hat Single Sign-On 7" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-33201" }, { "category": "external", "summary": "RHBZ#2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-33201", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33201" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201" }, { "category": "external", "summary": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201", "url": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201" } ], "release_date": "2023-06-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:57:47+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "Red Hat Single Sign-On 7" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7488" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "Red Hat Single Sign-On 7" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate" }, { "cve": "CVE-2023-44487", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2023-10-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2242803" } ], "notes": [ { "category": "description", "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the Rapid Reset Attack in the Go language packages.\r\n\r\nSecurity Bulletin\r\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)", "title": "Vulnerability summary" }, { "category": "other", "text": "NGINX has been marked as Moderate Impact because, for performance and resource consumption reasons, NGINX limits the number of concurrent streams to a default of 128. In addition, to optimally balance network and server performance, NGINX allows the client to persist HTTP connections for up to 1000 requests by default using an HTTP keepalive.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.\n\nrhc component is no longer impacted by CVE-2023-44487 \u0026 CVE-2023-39325.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Red Hat Single Sign-On 7" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-44487" }, { "category": "external", "summary": "RHBZ#2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "external", "summary": "RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-44487", "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487" }, { "category": "external", "summary": "https://github.com/dotnet/announcements/issues/277", "url": "https://github.com/dotnet/announcements/issues/277" }, { "category": "external", "summary": "https://pkg.go.dev/vuln/GO-2023-2102", "url": "https://pkg.go.dev/vuln/GO-2023-2102" }, { "category": "external", "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487", "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487" }, { "category": "external", "summary": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/", "url": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2023-10-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:57:47+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "Red Hat Single Sign-On 7" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7488" }, { "category": "workaround", "details": "Users are strongly urged to update their software as soon as fixes are available. \nThere are several mitigation approaches for this flaw. \n\n1. If circumstances permit, users may disable http2 endpoints to circumvent the flaw altogether until a fix is available.\n2. IP-based blocking or flood protection and rate control tools may be used at network endpoints to filter incoming traffic.\n3. Several package specific mitigations are also available. \n a. nginx: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/\n b. netty: https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p\n c. haproxy: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487\n d. nghttp2: https://github.com/nghttp2/nghttp2/security/advisories/GHSA-vx74-f528-fxqg\n e. golang: The default stream concurrency limit in golang is 250 streams (requests) per HTTP/2 connection. This value may be adjusted in the golang.org/x/net/http2 package using the Server.MaxConcurrentStreams setting and the ConfigureServer function which are available in golang.org/x/net/http2.", "product_ids": [ "Red Hat Single Sign-On 7" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Red Hat Single Sign-On 7" ] } ], "threats": [ { "category": "exploit_status", "date": "2023-10-10T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)" } ] }
rhsa-2023_7484
Vulnerability from csaf_redhat
Published
2023-11-24 16:56
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 9
Notes
Topic
New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.6.6 on RHEL 9 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.
Security Fix(es):
* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)
* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.6.6 on RHEL 9 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.\n\nSecurity Fix(es):\n\n* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)\n* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:7484", "url": "https://access.redhat.com/errata/RHSA-2023:7484" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7484.json" } ], "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 9", "tracking": { "current_release_date": "2024-11-15T17:36:31+00:00", "generator": { "date": "2024-11-15T17:36:31+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:7484", "initial_release_date": "2023-11-24T16:56:41+00:00", "revision_history": [ { "date": "2023-11-24T16:56:41+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-24T16:56:41+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T17:36:31+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Single Sign-On 7.6 for RHEL 9", "product": { "name": "Red Hat Single Sign-On 7.6 for RHEL 9", "product_id": "9Base-RHSSO-7.6", "product_identification_helper": { "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9" } } } ], "category": "product_family", "name": "Red Hat Single Sign-On" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el9sso?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el9sso?arch=noarch" } } }, { "category": "product_version", "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product_id": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak-server@18.0.11-2.redhat_00001.1.el9sso?arch=noarch" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 9", "product_id": "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "relates_to_product_reference": "9Base-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src as a component of Red Hat Single Sign-On 7.6 for RHEL 9", "product_id": "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "relates_to_product_reference": "9Base-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 9", "product_id": "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" }, "product_reference": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "relates_to_product_reference": "9Base-RHSSO-7.6" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Willem Noort" ], "organization": "Inverid", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2023-0105", "cwe": { "id": "CWE-841", "name": "Improper Enforcement of Behavioral Workflow" }, "discovery_date": "2022-11-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2158910" } ], "notes": [ { "category": "description", "text": "A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.", "title": "Vulnerability description" }, { "category": "summary", "text": "keycloak: impersonation and lockout possible through incorrect handling of email trust", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "category": "external", "summary": "RHBZ#2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0105", "url": "https://www.cve.org/CVERecord?id=CVE-2023-0105" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105" }, { "category": "external", "summary": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj", "url": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj" } ], "release_date": "2023-01-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:41+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7484" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "keycloak: impersonation and lockout possible through incorrect handling of email trust" }, { "cve": "CVE-2023-33201", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2023-06-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2215465" } ], "notes": [ { "category": "description", "text": "A flaw was found in Bouncy Castle 1.73. This issue targets the fix of LDAP wild cards. Before the fix there was no validation for the X.500 name of any certificate, subject, or issuer, so the presence of a wild card may lead to information disclosure. This could allow a malicious user to obtain unauthorized information via blind LDAP Injection, exploring the environment and enumerating data. The exploit depends on the structure of the target LDAP directory as well as what kind of errors are exposed to the user.", "title": "Vulnerability description" }, { "category": "summary", "text": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-33201" }, { "category": "external", "summary": "RHBZ#2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-33201", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33201" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201" }, { "category": "external", "summary": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201", "url": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201" } ], "release_date": "2023-06-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:41+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7484" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate" }, { "cve": "CVE-2023-44487", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2023-10-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2242803" } ], "notes": [ { "category": "description", "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the Rapid Reset Attack in the Go language packages.\r\n\r\nSecurity Bulletin\r\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)", "title": "Vulnerability summary" }, { "category": "other", "text": "NGINX has been marked as Moderate Impact because, for performance and resource consumption reasons, NGINX limits the number of concurrent streams to a default of 128. In addition, to optimally balance network and server performance, NGINX allows the client to persist HTTP connections for up to 1000 requests by default using an HTTP keepalive.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.\n\nrhc component is no longer impacted by CVE-2023-44487 \u0026 CVE-2023-39325.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-44487" }, { "category": "external", "summary": "RHBZ#2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "external", "summary": "RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-44487", "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487" }, { "category": "external", "summary": "https://github.com/dotnet/announcements/issues/277", "url": "https://github.com/dotnet/announcements/issues/277" }, { "category": "external", "summary": "https://pkg.go.dev/vuln/GO-2023-2102", "url": "https://pkg.go.dev/vuln/GO-2023-2102" }, { "category": "external", "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487", "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487" }, { "category": "external", "summary": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/", "url": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2023-10-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:41+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7484" }, { "category": "workaround", "details": "Users are strongly urged to update their software as soon as fixes are available. \nThere are several mitigation approaches for this flaw. \n\n1. If circumstances permit, users may disable http2 endpoints to circumvent the flaw altogether until a fix is available.\n2. IP-based blocking or flood protection and rate control tools may be used at network endpoints to filter incoming traffic.\n3. Several package specific mitigations are also available. \n a. nginx: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/\n b. netty: https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p\n c. haproxy: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487\n d. nghttp2: https://github.com/nghttp2/nghttp2/security/advisories/GHSA-vx74-f528-fxqg\n e. golang: The default stream concurrency limit in golang is 250 streams (requests) per HTTP/2 connection. This value may be adjusted in the golang.org/x/net/http2 package using the Server.MaxConcurrentStreams setting and the ConfigureServer function which are available in golang.org/x/net/http2.", "product_ids": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.noarch", "9Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el9sso.src", "9Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el9sso.noarch" ] } ], "threats": [ { "category": "exploit_status", "date": "2023-10-10T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)" } ] }
rhsa-2023_7483
Vulnerability from csaf_redhat
Published
2023-11-24 16:56
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 8
Notes
Topic
New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.6.6 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.
Security Fix(es):
* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)
* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.6.6 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.\n\nSecurity Fix(es):\n* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)\n* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:7483", "url": "https://access.redhat.com/errata/RHSA-2023:7483" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7483.json" } ], "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 8", "tracking": { "current_release_date": "2024-11-15T17:36:22+00:00", "generator": { "date": "2024-11-15T17:36:22+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:7483", "initial_release_date": "2023-11-24T16:56:38+00:00", "revision_history": [ { "date": "2023-11-24T16:56:38+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-24T16:56:38+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T17:36:22+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Single Sign-On 7.6 for RHEL 8", "product": { "name": "Red Hat Single Sign-On 7.6 for RHEL 8", "product_id": "8Base-RHSSO-7.6", "product_identification_helper": { "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8" } } } ], "category": "product_family", "name": "Red Hat Single Sign-On" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el8sso?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el8sso?arch=noarch" } } }, { "category": "product_version", "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product_id": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak-server@18.0.11-2.redhat_00001.1.el8sso?arch=noarch" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 8", "product_id": "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "relates_to_product_reference": "8Base-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src as a component of Red Hat Single Sign-On 7.6 for RHEL 8", "product_id": "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "relates_to_product_reference": "8Base-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 8", "product_id": "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" }, "product_reference": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "relates_to_product_reference": "8Base-RHSSO-7.6" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Willem Noort" ], "organization": "Inverid", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2023-0105", "cwe": { "id": "CWE-841", "name": "Improper Enforcement of Behavioral Workflow" }, "discovery_date": "2022-11-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2158910" } ], "notes": [ { "category": "description", "text": "A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.", "title": "Vulnerability description" }, { "category": "summary", "text": "keycloak: impersonation and lockout possible through incorrect handling of email trust", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "category": "external", "summary": "RHBZ#2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0105", "url": "https://www.cve.org/CVERecord?id=CVE-2023-0105" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105" }, { "category": "external", "summary": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj", "url": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj" } ], "release_date": "2023-01-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:38+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7483" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "keycloak: impersonation and lockout possible through incorrect handling of email trust" }, { "cve": "CVE-2023-33201", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2023-06-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2215465" } ], "notes": [ { "category": "description", "text": "A flaw was found in Bouncy Castle 1.73. This issue targets the fix of LDAP wild cards. Before the fix there was no validation for the X.500 name of any certificate, subject, or issuer, so the presence of a wild card may lead to information disclosure. This could allow a malicious user to obtain unauthorized information via blind LDAP Injection, exploring the environment and enumerating data. The exploit depends on the structure of the target LDAP directory as well as what kind of errors are exposed to the user.", "title": "Vulnerability description" }, { "category": "summary", "text": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-33201" }, { "category": "external", "summary": "RHBZ#2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-33201", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33201" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201" }, { "category": "external", "summary": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201", "url": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201" } ], "release_date": "2023-06-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:38+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7483" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate" }, { "cve": "CVE-2023-44487", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2023-10-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2242803" } ], "notes": [ { "category": "description", "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the Rapid Reset Attack in the Go language packages.\r\n\r\nSecurity Bulletin\r\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)", "title": "Vulnerability summary" }, { "category": "other", "text": "NGINX has been marked as Moderate Impact because, for performance and resource consumption reasons, NGINX limits the number of concurrent streams to a default of 128. In addition, to optimally balance network and server performance, NGINX allows the client to persist HTTP connections for up to 1000 requests by default using an HTTP keepalive.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.\n\nrhc component is no longer impacted by CVE-2023-44487 \u0026 CVE-2023-39325.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-44487" }, { "category": "external", "summary": "RHBZ#2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "external", "summary": "RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-44487", "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487" }, { "category": "external", "summary": "https://github.com/dotnet/announcements/issues/277", "url": "https://github.com/dotnet/announcements/issues/277" }, { "category": "external", "summary": "https://pkg.go.dev/vuln/GO-2023-2102", "url": "https://pkg.go.dev/vuln/GO-2023-2102" }, { "category": "external", "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487", "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487" }, { "category": "external", "summary": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/", "url": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2023-10-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:38+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7483" }, { "category": "workaround", "details": "Users are strongly urged to update their software as soon as fixes are available. \nThere are several mitigation approaches for this flaw. \n\n1. If circumstances permit, users may disable http2 endpoints to circumvent the flaw altogether until a fix is available.\n2. IP-based blocking or flood protection and rate control tools may be used at network endpoints to filter incoming traffic.\n3. Several package specific mitigations are also available. \n a. nginx: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/\n b. netty: https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p\n c. haproxy: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487\n d. nghttp2: https://github.com/nghttp2/nghttp2/security/advisories/GHSA-vx74-f528-fxqg\n e. golang: The default stream concurrency limit in golang is 250 streams (requests) per HTTP/2 connection. This value may be adjusted in the golang.org/x/net/http2 package using the Server.MaxConcurrentStreams setting and the ConfigureServer function which are available in golang.org/x/net/http2.", "product_ids": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.noarch", "8Base-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el8sso.src", "8Base-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el8sso.noarch" ] } ], "threats": [ { "category": "exploit_status", "date": "2023-10-10T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)" } ] }
rhsa-2023_7482
Vulnerability from csaf_redhat
Published
2023-11-24 16:56
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 7
Notes
Topic
New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.6.6 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.
Security Fix(es):
* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)
* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "New Red Hat Single Sign-On 7.6.6 packages are now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.6.6 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.\n\nSecurity Fix(es):\n* undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n* bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)\n* keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:7482", "url": "https://access.redhat.com/errata/RHSA-2023:7482" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7482.json" } ], "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.6.6 security update on RHEL 7", "tracking": { "current_release_date": "2024-11-15T17:36:14+00:00", "generator": { "date": "2024-11-15T17:36:14+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:7482", "initial_release_date": "2023-11-24T16:56:09+00:00", "revision_history": [ { "date": "2023-11-24T16:56:09+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-24T16:56:09+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T17:36:14+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Single Sign-On 7.6 for RHEL 7 Server", "product": { "name": "Red Hat Single Sign-On 7.6 for RHEL 7 Server", "product_id": "7Server-RHSSO-7.6", "product_identification_helper": { "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7" } } } ], "category": "product_family", "name": "Red Hat Single Sign-On" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el7sso?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product_id": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak@18.0.11-2.redhat_00001.1.el7sso?arch=noarch" } } }, { "category": "product_version", "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product_id": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rh-sso7-keycloak-server@18.0.11-2.redhat_00001.1.el7sso?arch=noarch" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 7 Server", "product_id": "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "relates_to_product_reference": "7Server-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src as a component of Red Hat Single Sign-On 7.6 for RHEL 7 Server", "product_id": "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src" }, "product_reference": "rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "relates_to_product_reference": "7Server-RHSSO-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch as a component of Red Hat Single Sign-On 7.6 for RHEL 7 Server", "product_id": "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" }, "product_reference": "rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "relates_to_product_reference": "7Server-RHSSO-7.6" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Willem Noort" ], "organization": "Inverid", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2023-0105", "cwe": { "id": "CWE-841", "name": "Improper Enforcement of Behavioral Workflow" }, "discovery_date": "2022-11-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2158910" } ], "notes": [ { "category": "description", "text": "A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.", "title": "Vulnerability description" }, { "category": "summary", "text": "keycloak: impersonation and lockout possible through incorrect handling of email trust", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "category": "external", "summary": "RHBZ#2158910", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0105", "url": "https://www.cve.org/CVERecord?id=CVE-2023-0105" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0105" }, { "category": "external", "summary": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj", "url": "https://github.com/advisories/GHSA-c7xw-p58w-h6fj" } ], "release_date": "2023-01-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:09+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7482" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" }, "products": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "keycloak: impersonation and lockout possible through incorrect handling of email trust" }, { "cve": "CVE-2023-33201", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2023-06-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2215465" } ], "notes": [ { "category": "description", "text": "A flaw was found in Bouncy Castle 1.73. This issue targets the fix of LDAP wild cards. Before the fix there was no validation for the X.500 name of any certificate, subject, or issuer, so the presence of a wild card may lead to information disclosure. This could allow a malicious user to obtain unauthorized information via blind LDAP Injection, exploring the environment and enumerating data. The exploit depends on the structure of the target LDAP directory as well as what kind of errors are exposed to the user.", "title": "Vulnerability description" }, { "category": "summary", "text": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-33201" }, { "category": "external", "summary": "RHBZ#2215465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215465" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-33201", "url": "https://www.cve.org/CVERecord?id=CVE-2023-33201" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33201" }, { "category": "external", "summary": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201", "url": "https://github.com/bcgit/bc-java/wiki/CVE-2023-33201" } ], "release_date": "2023-06-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:09+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7482" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "bouncycastle: potential blind LDAP injection attack using a self-signed certificate" }, { "cve": "CVE-2023-44487", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2023-10-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2242803" } ], "notes": [ { "category": "description", "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the Rapid Reset Attack in the Go language packages.\r\n\r\nSecurity Bulletin\r\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003", "title": "Vulnerability description" }, { "category": "summary", "text": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)", "title": "Vulnerability summary" }, { "category": "other", "text": "NGINX has been marked as Moderate Impact because, for performance and resource consumption reasons, NGINX limits the number of concurrent streams to a default of 128. In addition, to optimally balance network and server performance, NGINX allows the client to persist HTTP connections for up to 1000 requests by default using an HTTP keepalive.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.\n\nrhc component is no longer impacted by CVE-2023-44487 \u0026 CVE-2023-39325.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-44487" }, { "category": "external", "summary": "RHBZ#2242803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242803" }, { "category": "external", "summary": "RHSB-2023-003", "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2023-003" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-44487", "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487" }, { "category": "external", "summary": "https://github.com/dotnet/announcements/issues/277", "url": "https://github.com/dotnet/announcements/issues/277" }, { "category": "external", "summary": "https://pkg.go.dev/vuln/GO-2023-2102", "url": "https://pkg.go.dev/vuln/GO-2023-2102" }, { "category": "external", "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487", "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487" }, { "category": "external", "summary": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/", "url": "https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2023-10-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-11-24T16:56:09+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7482" }, { "category": "workaround", "details": "Users are strongly urged to update their software as soon as fixes are available. \nThere are several mitigation approaches for this flaw. \n\n1. If circumstances permit, users may disable http2 endpoints to circumvent the flaw altogether until a fix is available.\n2. IP-based blocking or flood protection and rate control tools may be used at network endpoints to filter incoming traffic.\n3. Several package specific mitigations are also available. \n a. nginx: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/\n b. netty: https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p\n c. haproxy: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487\n d. nghttp2: https://github.com/nghttp2/nghttp2/security/advisories/GHSA-vx74-f528-fxqg\n e. golang: The default stream concurrency limit in golang is 250 streams (requests) per HTTP/2 connection. This value may be adjusted in the golang.org/x/net/http2 package using the Server.MaxConcurrentStreams setting and the ConfigureServer function which are available in golang.org/x/net/http2.", "product_ids": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.noarch", "7Server-RHSSO-7.6:rh-sso7-keycloak-0:18.0.11-2.redhat_00001.1.el7sso.src", "7Server-RHSSO-7.6:rh-sso7-keycloak-server-0:18.0.11-2.redhat_00001.1.el7sso.noarch" ] } ], "threats": [ { "category": "exploit_status", "date": "2023-10-10T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)" } ] }
wid-sec-w-2023-0036
Vulnerability from csaf_certbund
Published
2023-01-08 23:00
Modified
2023-11-26 23:00
Summary
Keycloak: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen und dadurch Nutzerrechte zu erlangen.
Betroffene Betriebssysteme
- UNIX
- Linux
- Sonstiges
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Keycloak erm\u00f6glicht Single Sign-On mit Identity and Access Management f\u00fcr moderne Anwendungen und Dienste.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen und dadurch Nutzerrechte zu erlangen.", "title": "Angriff" }, { "category": "general", "text": "- UNIX\n- Linux\n- Sonstiges", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2023-0036 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0036.json" }, { "category": "self", "summary": "WID-SEC-2023-0036 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0036" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2023:7482 vom 2023-11-25", "url": "https://access.redhat.com/errata/RHSA-2023:7482" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2023:7488 vom 2023-11-25", "url": "https://access.redhat.com/errata/RHSA-2023:7488" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2023:7484 vom 2023-11-25", "url": "https://access.redhat.com/errata/RHSA-2023:7484" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2023:7486 vom 2023-11-25", "url": "https://access.redhat.com/errata/RHSA-2023:7486" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2023:7483 vom 2023-11-25", "url": "https://access.redhat.com/errata/RHSA-2023:7483" }, { "category": "external", "summary": "Red Hat Bugzilla - Bug 2158910 vom 2023-01-08", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "category": "external", "summary": "Red Hat CVE-2023-0105 vom 2023-01-09", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" } ], "source_lang": "en-US", "title": "Keycloak: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen", "tracking": { "current_release_date": "2023-11-26T23:00:00.000+00:00", "generator": { "date": "2024-02-15T17:08:45.422+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2023-0036", "initial_release_date": "2023-01-08T23:00:00.000+00:00", "revision_history": [ { "date": "2023-01-08T23:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2023-01-09T23:00:00.000+00:00", "number": "2", "summary": "Bewertung angepasst" }, { "date": "2023-11-26T23:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Red Hat aufgenommen" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Open Source Keycloak", "product": { "name": "Open Source Keycloak", "product_id": "T024196", "product_identification_helper": { "cpe": "cpe:/a:keycloak:keycloak:-" } } } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-0105", "notes": [ { "category": "description", "text": "Es gibt eine Schwachstelle in Keycloak aufgrund unsachgem\u00e4\u00dfer Handhabung von E-Mail-Vertrauenseinstellungen. Der Status \"verifiziert\" wird nicht zur\u00fcckgesetzt, wenn sich die Email-Adresse \u00e4ndert. Ein Angreifer kann dies ausnutzen, um andere Benutzer mit der gleichen E-Mail-Adresse zu beschatten, auszusperren oder sich f\u00fcr sie auszugeben." } ], "product_status": { "known_affected": [ "67646", "T024196" ] }, "release_date": "2023-01-08T23:00:00Z", "title": "CVE-2023-0105" } ] }
ghsa-c7xw-p58w-h6fj
Vulnerability from github
Published
2023-07-18 19:12
Modified
2023-07-18 19:12
Severity ?
Summary
Keycloak: Impersonation and lockout possible through incorrect handling of email trust
Details
Impersonation and lockout are possible due to email trust not being handled correctly in Keycloak. Since the verified state is not reset when the email changes, it is possible for users to shadow others with the same email and lock out or impersonate them.
{ "affected": [ { "package": { "ecosystem": "Maven", "name": "org.keycloak:keycloak-core" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "22.0.1" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2023-0105" ], "database_specific": { "cwe_ids": [ "CWE-287", "CWE-841" ], "github_reviewed": true, "github_reviewed_at": "2023-07-18T19:12:28Z", "nvd_published_at": null, "severity": "MODERATE" }, "details": "Impersonation and lockout are possible due to email trust not being handled correctly in Keycloak. Since the verified state is not reset when the email changes, it is possible for users to shadow others with the same email and lock out or impersonate them.", "id": "GHSA-c7xw-p58w-h6fj", "modified": "2023-07-18T19:12:28Z", "published": "2023-07-18T19:12:28Z", "references": [ { "type": "WEB", "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-c7xw-p58w-h6fj" }, { "type": "WEB", "url": "https://github.com/keycloak/keycloak/commit/87a50d3ba790b049e436c9925874f9b418af7988" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2023-0105" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158910" }, { "type": "PACKAGE", "url": "https://github.com/keycloak/keycloak" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "type": "CVSS_V3" } ], "summary": "Keycloak: Impersonation and lockout possible through incorrect handling of email trust" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.