rhsa-2023_1978
Vulnerability from csaf_redhat
Published
2023-04-25 10:27
Modified
2024-11-06 02:48
Summary
Red Hat Security Advisory: haproxy security update

Notes

Topic
An update for haproxy is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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
The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fix(es): * haproxy: segfault DoS (CVE-2023-0056) * haproxy: request smuggling attack in HTTP/1 header parsing (CVE-2023-25725) 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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  "vulnerabilities": [
    {
      "cve": "CVE-2023-0056",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2023-01-13T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2160808"
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      "notes": [
        {
          "category": "description",
          "text": "An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "haproxy: segfault DoS",
          "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-2023-0056"
        },
        {
          "category": "external",
          "summary": "RHBZ#2160808",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2160808"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-0056",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-0056"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-0056",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0056"
        },
        {
          "category": "external",
          "summary": "https://github.com/haproxy/haproxy/issues/1972",
          "url": "https://github.com/haproxy/haproxy/issues/1972"
        }
      ],
      "release_date": "2022-12-21T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2023-04-25T10:27:06+00:00",
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "haproxy: segfault DoS"
    },
    {
      "cve": "CVE-2023-25725",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2023-02-11T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2169089"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in HAProxy\u0027s headers processing that causes HAProxy to drop important headers fields such as Connection, Content-length, Transfer-Encoding, and Host after having partially processed them. A maliciously crafted HTTP request could be used in an HTTP request smuggling attack to bypass filtering and detection by HAProxy.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "haproxy: request smuggling attack in HTTP/1 header parsing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat OpenStack Platform doesn\u0027t ship any haproxy code of its own and instead the openstack-haproxy-container consumes the `haproxy` RPM provided by RHEL.",
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-25725"
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          "category": "external",
          "summary": "RHBZ#2169089",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-25725",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-25725"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-25725",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25725"
        },
        {
          "category": "external",
          "summary": "https://www.haproxy.com/blog/february-2023-header-parser-fixed/",
          "url": "https://www.haproxy.com/blog/february-2023-header-parser-fixed/"
        },
        {
          "category": "external",
          "summary": "https://www.mail-archive.com/haproxy@formilux.org/msg43229.html",
          "url": "https://www.mail-archive.com/haproxy@formilux.org/msg43229.html"
        }
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      "threats": [
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          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "haproxy: request smuggling attack in HTTP/1 header parsing"
    }
  ]
}


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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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