rhsa-2013_1523
Vulnerability from csaf_redhat
Published
2013-11-14 17:28
Modified
2024-12-06 18:47
Summary
Red Hat Security Advisory: ruby193-ruby security update

Notes

Topic
Updated ruby193-ruby packages that fix one security issue are now available for Red Hat OpenStack 3.0. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to do system management tasks. RubyGems is the Ruby standard for publishing and managing third-party libraries. It was discovered that the rubygems API validated version strings using an unsafe regular expression. An application making use of this API to process a version string from an untrusted source could be vulnerable to a denial of service attack through CPU exhaustion. (CVE-2013-4287) Red Hat would like to thank Rubygems upstream for reporting this issue. Upstream acknowledges Damir Sharipov as the original reporter. Users of Red Hat OpenStack 3.0 are advised to upgrade to these updated packages, which correct this issue.
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": [
    {
      "acknowledgments": [
        {
          "names": [
            "Rubygems upstream"
          ]
        },
        {
          "names": [
            "Damir Sharipov"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2013-4287",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2013-08-28T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1002364"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "rubygems: version regex algorithmic complexity vulnerability",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat OpenShift Enterprise 1.2 is now in Production 1 Phase of the support\nand maintenance life cycle. This has been rated as having Moderate security\nimpact and is not currently planned to be addressed in future updates. For\nadditional information, refer to the Red Hat OpenShift Enterprise Life Cycle:\nhttps://access.redhat.com/site/support/policy/updates/openshift.",
          "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-2013-4287"
        },
        {
          "category": "external",
          "summary": "RHBZ#1002364",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1002364"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-4287",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-4287"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4287",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4287"
        },
        {
          "category": "external",
          "summary": "http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html",
          "url": "http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html"
        }
      ],
      "release_date": "2013-09-09T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2013-11-14T17:28:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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            "baseScore": 2.6,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "rubygems: version regex algorithmic complexity vulnerability"
    }
  ]
}


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