FKIE_CVE-2012-4922

Vulnerability from fkie_nvd - Published: 2012-09-14 18:55 - Updated: 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"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "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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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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