{
  "id": "CVE-2011-4077",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2012-01-27T15:55:04.297",
  "lastModified": "2023-07-27T15:21:12.397",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de b\u00fafer en la funci\u00f3n xfs_readlink en fs/xfs/xfs_vnodeops.c en XFS en el kernel de Linux v2.6, cuando CONFIG_XFS_DEBUG est\u00e1 desactivado, permite a usuarios locales provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda del sistema) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de una imagen XFS que contiene un enlace simb\u00f3lico con una ruta demasiado larga."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.6.12",
              "versionEndExcluding": "3.0.11",
              "matchCriteriaId": "53B814E4-A9CD-4626-8EF7-5BB3FBAE9E54"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.1",
              "versionEndExcluding": "3.1.5",
              "matchCriteriaId": "83499023-0E48-4C52-A30E-6C1D8CE74564"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=139447903326211&w=2",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://oss.sgi.com/archives/xfs/2011-10/msg00345.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/10/26/1",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/10/26/3",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=749156",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}