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.
    References
      Impacted products
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              "matchCriteriaId": "1A50B658-1049-4467-B95E-2F697F2DD8B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.15:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "D60AE56E-EE6D-4992-BD5B-5E32F5DDB385",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.16:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "695A8085-2198-4DB7-BA5B-734063FB74D9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.17:beta:*:*:*:*:*:*",
              "matchCriteriaId": "35936C42-AAA8-40FC-803D-2F56D8B881BA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.18:rc:*:*:*:*:*:*",
              "matchCriteriaId": "EB448439-B7C3-441F-8923-AC125324A517",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.19:rc:*:*:*:*:*:*",
              "matchCriteriaId": "9F471155-F0ED-4F73-A04C-EF39DFC9F666",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.20:rc:*:*:*:*:*:*",
              "matchCriteriaId": "D93C514A-0BCB-4BDD-84C2-6C78D346FC13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torproject:tor:0.2.3.21:rc:*:*:*:*:*:*",
              "matchCriteriaId": "5F4A9816-F5D0-42DA-9ADB-F0D2B4A08A74",
              "vulnerable": true
            }
          ],
          "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"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "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 seen somewhere by the user.
 - Confirmed: The vulnerability is confirmed from an analyst perspective.
 - Published Proof of Concept: A public proof of concept is available for this vulnerability.
 - Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
 - Patched: This vulnerability was successfully patched by the user reporting the sighting.
 - Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
 - Not confirmed: The user expresses doubt about the veracity of the vulnerability.
 - Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
 
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