ghsa-9qvm-2vhf-q649
Vulnerability from github
Published
2022-05-17 00:16
Modified
2023-03-08 19:54
Summary
RubyGems Regular Expression Denial of Service
Details

Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, 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. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rubygems-update"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.23.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rubygems-update"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.8.24"
            },
            {
              "fixed": "1.8.27"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rubygems-update"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rubygems-update"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0"
            },
            {
              "fixed": "2.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-4363"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2023-03-08T19:54:54Z",
    "nvd_published_at": "2013-10-17T23:55:00Z",
    "severity": "MODERATE"
  },
  "details": "Algorithmic complexity vulnerability in `Gem::Version::ANCHORED_VERSION_PATTERN` in `lib/rubygems/version.rb` in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, 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.  NOTE: this issue is due to an incomplete fix for CVE-2013-4287.",
  "id": "GHSA-9qvm-2vhf-q649",
  "modified": "2023-03-08T19:54:54Z",
  "published": "2022-05-17T00:16:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4363"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rubygems/rubygems"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2013-4363.yml"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20170331150441/https://puppet.com/security/cve/cve-2013-4363"
    },
    {
      "type": "WEB",
      "url": "http://blog.rubygems.org/2013/09/24/CVE-2013-4363.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/09/14/3"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/09/18/8"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/09/20/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "RubyGems Regular Expression Denial of Service"
}


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