fkie_cve-2011-4029
Vulnerability from fkie_nvd
Published
2012-07-03 19:55
Modified
2025-04-11 00:51
Severity ?
Summary
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.
References
cve@mitre.orghttp://cgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4Patch
cve@mitre.orghttp://lists.freedesktop.org/archives/xorg/2011-October/053680.html
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2012-0939.html
cve@mitre.orghttp://secunia.com/advisories/46460Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/49579Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://cgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.freedesktop.org/archives/xorg/2011-October/053680.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2012-0939.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46460Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/49579Vendor Advisory
Impacted products
Vendor Product Version
x.org x_server *
x.org x_server 1.11.0


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "09C89F6A-BA0D-484F-A226-E370435DCAD0",
              "versionEndIncluding": "1.11.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:x.org:x_server:1.11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "779F9971-BC4F-4277-9379-7CCD96145226",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n LockServer en os/utils.c en xserver X.Org antes de v1.11.2 permite a los usuarios locales cambiar los permisos de archivos de su elecci\u00f3n a 444, leer los archivos, y posiblemente causar una denegaci\u00f3n de servicio (por permiso retirado de ejecuci\u00f3n) a trav\u00e9s de un ataque de enlace simb\u00f3lico a un archivo de bloqueo temporal."
    }
  ],
  "id": "CVE-2011-4029",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-07-03T19:55:01.867",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://cgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.freedesktop.org/archives/xorg/2011-October/053680.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-0939.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46460"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/49579"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://cgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.freedesktop.org/archives/xorg/2011-October/053680.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-0939.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/46460"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/49579"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • 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.