rhsa-2023_6298
Vulnerability from csaf_redhat
Published
2023-11-03 08:48
Modified
2024-11-08 14:28
Summary
Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.30.2 security update

Notes

Topic
Red Hat OpenShift Serverless 1.30.2 is now available. 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 OpenShift Serverless Client kn 1.30.2 provides a CLI to interact with Red Hat OpenShift Serverless 1.30.2. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms. This release includes security and bug fixes, and enhancements. Security Fix(es): * golang: net/http, x/net/http2: rapid stream resets can cause excessive work (Rapid Reset Attack) (CVE-2023-39325) * HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487) * golang: net/http: insufficient sanitization of Host header (CVE-2023-29406) * golang: crypto/tls: slow verification of certificate chains containing large RSA keys (CVE-2023-29409) A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section. For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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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        "text": "Red Hat OpenShift Serverless 1.30.2 is now available.\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.",
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        "text": "Red Hat OpenShift Serverless Client kn 1.30.2 provides a CLI to interact with Red Hat OpenShift Serverless 1.30.2. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.\n\nThis release includes security and bug fixes, and enhancements.\n\nSecurity Fix(es):\n\n* golang: net/http, x/net/http2: rapid stream resets can cause excessive work (Rapid Reset Attack) (CVE-2023-39325)\n\n* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n\n* golang: net/http: insufficient sanitization of Host header (CVE-2023-29406)\n\n* golang: crypto/tls: slow verification of certificate chains containing large RSA keys (CVE-2023-29409)\n\nA Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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        "name": "Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)"
      },
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          "text": "2222167"
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          "category": "description",
          "text": "A flaw was found in Golang, where it is vulnerable to HTTP header injection caused by improper content validation of the Host header by the HTTP/1 client. A remote attacker can inject arbitrary HTTP headers by persuading a victim to visit a specially crafted Web page. This flaw allows the attacker to conduct various attacks against the vulnerable system, including Cross-site scripting, cache poisoning, or session hijacking.",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "golang: net/http: insufficient sanitization of Host header",
          "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.",
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          "summary": "RHBZ#2222167",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222167"
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        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-29406",
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        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-29406",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29406"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0",
          "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
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      "release_date": "2023-07-11T00:00:00+00:00",
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          "date": "2023-11-03T08:48:21+00:00",
          "details": "https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30",
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      "scores": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
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    },
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      "cwe": {
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        "name": "Uncontrolled Resource Consumption"
      },
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      "ids": [
        {
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          "text": "2228743"
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        {
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          "text": "A denial of service vulnerability was found in the Golang Go package caused by an uncontrolled resource consumption flaw. By persuading a victim to use a specially crafted certificate with large RSA keys, a remote attacker can cause a client/server to expend significant CPU time verifying signatures, resulting in a denial of service condition.",
          "title": "Vulnerability description"
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        {
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          "text": "golang: crypto/tls: slow verification of certificate chains containing large RSA keys",
          "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"
        }
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-29409"
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          "category": "external",
          "summary": "RHBZ#2228743",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-29409",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-29409"
        },
        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-29409",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29409"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/515257",
          "url": "https://go.dev/cl/515257"
        },
        {
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          "summary": "https://go.dev/issue/61460",
          "url": "https://go.dev/issue/61460"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/X0b6CsSAaYI/m/Efv5DbZ9AwAJ",
          "url": "https://groups.google.com/g/golang-announce/c/X0b6CsSAaYI/m/Efv5DbZ9AwAJ"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2023-1987",
          "url": "https://pkg.go.dev/vuln/GO-2023-1987"
        }
      ],
      "release_date": "2023-08-02T00:00:00+00:00",
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          "date": "2023-11-03T08:48:21+00:00",
          "details": "https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30",
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            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2023:6298"
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      ],
      "scores": [
        {
          "cvss_v3": {
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            "attackVector": "NETWORK",
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            "baseScore": 5.3,
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            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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        {
          "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This CVE is related to CVE-2023-44487.\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.",
          "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-39325"
        },
        {
          "category": "external",
          "summary": "RHBZ#2243296",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2243296"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-39325",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-39325"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-39325",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39325"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2023-44487",
          "url": "https://access.redhat.com/security/cve/CVE-2023-44487"
        },
        {
          "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://go.dev/issue/63417",
          "url": "https://go.dev/issue/63417"
        },
        {
          "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"
        }
      ],
      "release_date": "2023-10-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-11-03T08:48:21+00:00",
          "details": "https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30",
          "product_ids": [
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:6298"
        },
        {
          "category": "workaround",
          "details": "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ]
        }
      ],
      "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)"
    },
    {
      "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
        ]
      },
      "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": "2023-11-03T08:48:21+00:00",
          "details": "https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30",
          "product_ids": [
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:6298"
        },
        {
          "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ]
        }
      ],
      "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-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.9.2-4.el8.x86_64"
          ]
        }
      ],
      "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)"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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