rhsa-2014_0207
Vulnerability from csaf_redhat
Published
2014-02-24 17:56
Modified
2024-12-06 18:47
Summary
Red Hat Security Advisory: rubygems security update

Notes

Topic
An updated rubygems package that fixes one security issue is now available for Red Hat OpenShift Enterprise 2.0.2. 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
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. All users of Red Hat OpenShift Enterprise 2.0.2 are advised to upgrade to this updated package, which contains a backported patch to 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.


To clipboard 

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        "text": "An updated rubygems package that fixes one security issue is now available\nfor Red Hat OpenShift Enterprise 2.0.2.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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        "text": "RubyGems is the Ruby standard for publishing and managing third-party\nlibraries.\n\nIt was discovered that the rubygems API validated version strings using an\nunsafe regular expression. An application making use of this API to process\na version string from an untrusted source could be vulnerable to a denial\nof service attack through CPU exhaustion. (CVE-2013-4287)\n\nRed Hat would like to thank Rubygems upstream for reporting this issue.\nUpstream acknowledges Damir Sharipov as the original reporter.\n\nAll users of Red Hat OpenShift Enterprise 2.0.2 are advised to upgrade to\nthis updated package, which contains a backported patch to correct this\nissue.",
        "title": "Details"
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Rubygems upstream"
          ]
        },
        {
          "names": [
            "Damir Sharipov"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2013-4287",
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        "name": "Uncontrolled Resource Consumption"
      },
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      "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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        {
          "category": "self",
          "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",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2014-02-24T17:56:55+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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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2014:0207"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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            "6Server-RHOSE-INFRA-2.0:rubygems-0:1.8.24-5.el6op.src",
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      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.6,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-RHOSE-CLIENT-2.0:rubygems-0:1.8.24-5.el6op.noarch",
            "6Server-RHOSE-CLIENT-2.0:rubygems-0:1.8.24-5.el6op.src",
            "6Server-RHOSE-CLIENT-2.0:rubygems-devel-0:1.8.24-5.el6op.noarch",
            "6Server-RHOSE-INFRA-2.0:rubygems-0:1.8.24-5.el6op.noarch",
            "6Server-RHOSE-INFRA-2.0:rubygems-0:1.8.24-5.el6op.src",
            "6Server-RHOSE-INFRA-2.0:rubygems-devel-0:1.8.24-5.el6op.noarch",
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            "6Server-RHOSE-NODE-2.0:rubygems-0:1.8.24-5.el6op.src",
            "6Server-RHOSE-NODE-2.0:rubygems-devel-0:1.8.24-5.el6op.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "rubygems: version regex algorithmic complexity vulnerability"
    }
  ]
}


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