rhsa-2024_6703
Vulnerability from csaf_redhat
Published
2024-09-16 18:08
Modified
2024-11-15 20:46
Summary
Red Hat Security Advisory: pcs security update

Notes

Topic
An update for pcs is now available for Red Hat Enterprise Linux 8.8 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 pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace character, >] and ]> (CVE-2024-41123) * rexml: DoS vulnerability in REXML (CVE-2024-41946) * rexml: DoS vulnerability in REXML (CVE-2024-43398) 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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        {
          "category": "description",
          "text": "A vulnerability was found in REXML, an XML toolkit used for Ruby. When parsing an untrusted XML with many specific characters, the REXML gem may take a long time, leading to a denial of service condition. Some of these special characters include the whitespace character, \u0027\u003e]\u0027, and \u0027]\u003e\u0027.",
          "title": "Vulnerability description"
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          "text": "rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace character, \u003e] and ]\u003e",
          "title": "Vulnerability summary"
        },
        {
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          "text": "Red Hat believes this flaw to be moderate because a potential denial of service condition would create minimal impact at the application level and not the entire system.",
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    {
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      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
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      "discovery_date": "2024-08-22T15:21:20.836180+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2307297"
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          "category": "description",
          "text": "A vulnerability was found in REXML RubyGems. This package is vulnerable to denial of service (DoS) when parsing a deep XML structure with the same local name attribute.  This vulnerability only affects tree parser API like REXML::Document.new, other parser APIs such as stream parser API and SAX2 parser API are not affected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "rexml: DoS vulnerability in REXML",
          "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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          "category": "external",
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-43398",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-43398"
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        {
          "category": "external",
          "summary": "https://github.com/ruby/rexml/releases/tag/v3.3.6",
          "url": "https://github.com/ruby/rexml/releases/tag/v3.3.6"
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        {
          "category": "external",
          "summary": "https://github.com/ruby/rexml/security/advisories/GHSA-vmwr-mc7x-5vc3",
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      "threats": [
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          "category": "impact",
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      ],
      "title": "rexml: DoS vulnerability in REXML"
    }
  ]
}


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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.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.