rhsa-2023_6031
Vulnerability from csaf_redhat
Published
2023-10-23 14:24
Modified
2024-11-21 21:48
Summary
Red Hat Security Advisory: Cryostat security update
Notes
Topic
An update is now available for Cryostat 2 on RHEL 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
An update is now available for Cryostat 2 on RHEL 8.
Security Fix(es):
* golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325)
* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
* golang.org/x/net/html: Cross site scripting (CVE-2023-3978)
* 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)
* golang: crypto/tls: panic when processing post-handshake message on QUIC connections (CVE-2023-39321)
* golang: crypto/tls: lack of a limit on buffered post-handshake (CVE-2023-39322)
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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"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
},
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"flags": [
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"ids": [
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],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Golang HTML package where it is vulnerable to Cross-site scripting caused by the improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially crafted URL to execute a script in a victim\u0027s web browser within the security context of the hosting website once the URL is clicked. The flaw allows an attacker to steal the victim\u0027s cookie-based authentication credentials.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/net/html: Cross site scripting",
"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": {
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},
{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3978"
},
{
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"url": "https://go.dev/issue/61615"
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"category": "vendor_fix",
"date": "2023-10-23T14:24:36+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"title": "golang.org/x/net/html: Cross site scripting"
},
{
"cve": "CVE-2023-29406",
"cwe": {
"id": "CWE-113",
"name": "Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)"
},
"discovery_date": "2023-07-12T00:00:00+00:00",
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"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.",
"title": "CVSS score applicability"
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{
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{
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}
],
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"title": "golang: net/http: insufficient sanitization of Host header"
},
{
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"name": "Uncontrolled Resource Consumption"
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"ids": [
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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"
},
{
"category": "summary",
"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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{
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],
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"text": "A flaw was found in Golang. Processing an incomplete post-handshake message for a QUIC connection caused a panic.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang: crypto/tls: panic when processing post-handshake message on QUIC connections",
"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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],
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{
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"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",
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"title": "golang: crypto/tls: panic when processing post-handshake message on QUIC connections"
},
{
"acknowledgments": [
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"names": [
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]
}
],
"cve": "CVE-2023-39322",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2023-09-06T00:00:00+00:00",
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"ids": [
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"notes": [
{
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"text": "A flaw was found in Golang. QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With the fix, connections now consistently reject messages larger than 65KiB in size.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang: crypto/tls: lack of a limit on buffered post-handshake",
"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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},
{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237778"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2023-39322"
},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39322"
},
{
"category": "external",
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"url": "https://go.dev/cl/523039"
},
{
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"url": "https://go.dev/issue/62266"
},
{
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},
{
"category": "external",
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"url": "https://vuln.go.dev/ID/GO-2023-2045.json"
}
],
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"date": "2023-10-23T14:24:36+00:00",
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}
],
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{
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"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",
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},
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}
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"threats": [
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"details": "Moderate"
}
],
"title": "golang: crypto/tls: lack of a limit on buffered post-handshake"
},
{
"cve": "CVE-2023-39325",
"cwe": {
"id": "CWE-400",
"name": "Uncontrolled Resource Consumption"
},
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}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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],
"notes": [
{
"category": "description",
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"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": [
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]
},
"references": [
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-39325"
},
{
"category": "external",
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"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"
}
],
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"category": "vendor_fix",
"date": "2023-10-23T14:24:36+00:00",
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"restart_required": {
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},
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},
{
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"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",
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"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": {
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},
{
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"url": "https://www.cve.org/CVERecord?id=CVE-2023-44487"
},
{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487"
},
{
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"url": "https://github.com/dotnet/announcements/issues/277"
},
{
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"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"
}
],
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"category": "vendor_fix",
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{
"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.",
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]
}
],
"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-Cryostat-2:cryostat-tech-preview/cryostat-grafana-dashboard-rhel8@sha256:25214921951dbb2ce9eeda23ce3cce3291a789436927beff1317541a68554fa9_amd64",
"8Base-Cryostat-2:cryostat-tech-preview/cryostat-operator-bundle@sha256:8d4dd000a817aec11eef4303c9d17bc92b809f313796ae360d00101a3a04bf86_amd64",
"8Base-Cryostat-2:cryostat-tech-preview/cryostat-reports-rhel8@sha256:5408e8448ab25072a2fc0a018105e52668d239b7449b9abe6c44c57c439c34a1_amd64",
"8Base-Cryostat-2:cryostat-tech-preview/cryostat-rhel8-operator@sha256:15459ee1c5ec24cdfaf2427d6aa3c4fe1fa89d58608217a0dbdae709c99ba877_amd64",
"8Base-Cryostat-2:cryostat-tech-preview/cryostat-rhel8@sha256:90305e17793e3a1275a5611745d1c6c8b056198c3e82283b50df85e747f09193_amd64",
"8Base-Cryostat-2:cryostat-tech-preview/jfr-datasource-rhel8@sha256:a0445fffa148a3cf471adbb288a07d175d7e2950d12c0f99cc56f709f4b60f29_amd64"
]
}
],
"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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Sightings
| Author | Source | Type | Date |
|---|
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.