fkie_cve-2012-4922
Vulnerability from fkie_nvd
Published
2012-09-14 18:55
Modified
2025-04-11 00:51
Severity ?
Summary
The tor_timegm function in common/util.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.22-rc, does not properly validate time values, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed directory object, a different vulnerability than CVE-2012-4419.
Impacted products
Vendor Product Version
torproject tor *
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.2
torproject tor 0.0.3
torproject tor 0.0.4
torproject tor 0.0.5
torproject tor 0.0.6
torproject tor 0.0.6.1
torproject tor 0.0.6.2
torproject tor 0.0.7
torproject tor 0.0.7.1
torproject tor 0.0.7.2
torproject tor 0.0.7.3
torproject tor 0.0.8.1
torproject tor 0.0.9.1
torproject tor 0.0.9.2
torproject tor 0.0.9.3
torproject tor 0.0.9.4
torproject tor 0.0.9.5
torproject tor 0.0.9.6
torproject tor 0.0.9.7
torproject tor 0.0.9.8
torproject tor 0.0.9.9
torproject tor 0.0.9.10
torproject tor 0.1.0.10
torproject tor 0.1.0.11
torproject tor 0.1.0.12
torproject tor 0.1.0.13
torproject tor 0.1.0.14
torproject tor 0.1.0.15
torproject tor 0.1.0.16
torproject tor 0.1.0.17
torproject tor 0.1.1.20
torproject tor 0.1.1.21
torproject tor 0.1.1.22
torproject tor 0.1.1.23
torproject tor 0.1.1.24
torproject tor 0.1.1.25
torproject tor 0.1.1.26
torproject tor 0.1.2.13
torproject tor 0.1.2.14
torproject tor 0.1.2.15
torproject tor 0.1.2.16
torproject tor 0.1.2.17
torproject tor 0.1.2.18
torproject tor 0.1.2.19
torproject tor 0.2.0.30
torproject tor 0.2.0.31
torproject tor 0.2.0.32
torproject tor 0.2.0.33
torproject tor 0.2.0.34
torproject tor 0.2.0.35
torproject tor 0.2.2.18
torproject tor 0.2.2.19
torproject tor 0.2.2.20
torproject tor 0.2.2.21
torproject tor 0.2.2.22
torproject tor 0.2.2.23
torproject tor 0.2.2.24
torproject tor 0.2.2.25
torproject tor 0.2.2.26
torproject tor 0.2.2.27
torproject tor 0.2.2.28
torproject tor 0.2.2.29
torproject tor 0.2.2.30
torproject tor 0.2.2.31
torproject tor 0.2.2.32
torproject tor 0.2.2.33
torproject tor 0.2.2.34
torproject tor 0.2.2.35
torproject tor 0.2.2.36
torproject tor 0.2.2.37
torproject tor 0.2.3
torproject tor 0.2.3.13
torproject tor 0.2.3.14
torproject tor 0.2.3.15
torproject tor 0.2.3.16
torproject tor 0.2.3.17
torproject tor 0.2.3.18
torproject tor 0.2.3.19
torproject tor 0.2.3.20
torproject tor 0.2.3.21



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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The tor_timegm function in common/util.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.22-rc, does not properly validate time values, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed directory object, a different vulnerability than CVE-2012-4419."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n tor_timegm en com\u00fan/util.c en Tor v0.2.2.39 antes, y antes de v0.2.3.x v0.2.3.22-rc, no valida correctamente los valores de tiempo, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (error de aserci\u00f3n y salida del demonio) a trav\u00e9s de una lista de objetos con formato incorrecto. Se trata de una vulnerabilidad diferente a CVE-2012-4419a.\r\n"
    }
  ],
  "id": "CVE-2012-4922",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-09-14T18:55:04.980",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00005.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://openwall.com/lists/oss-security/2012/09/12/5"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://gitweb.torproject.org/tor.git/commit/973c18bf0e84d14d8006a9ae97fde7f7fb97e404"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.torproject.org/pipermail/tor-talk/2012-September/025501.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://trac.torproject.org/projects/tor/ticket/6811"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html"
    },
    {
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      "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00005.html"
    },
    {
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      "url": "http://openwall.com/lists/oss-security/2012/09/12/5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://gitweb.torproject.org/tor.git/commit/973c18bf0e84d14d8006a9ae97fde7f7fb97e404"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.torproject.org/pipermail/tor-talk/2012-September/025501.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://trac.torproject.org/projects/tor/ticket/6811"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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