gsd-2011-2895
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2896.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2011-2895",
    "description": "The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2896.",
    "id": "GSD-2011-2895",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-2895.html",
      "https://www.debian.org/security/2011/dsa-2293",
      "https://access.redhat.com/errata/RHSA-2011:1834",
      "https://access.redhat.com/errata/RHSA-2011:1161",
      "https://access.redhat.com/errata/RHSA-2011:1155",
      "https://access.redhat.com/errata/RHSA-2011:1154",
      "https://linux.oracle.com/cve/CVE-2011-2895.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2011-2895"
      ],
      "details": "The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2896.",
      "id": "GSD-2011-2895",
      "modified": "2023-12-13T01:19:06.523529Z",
      "schema_version": "1.4.0"
    }
  },
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            "name": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html",
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            "name": "https://support.apple.com/HT205635",
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            "name": "https://support.apple.com/HT205637",
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            "url": "https://support.apple.com/HT205637"
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            "name": "https://support.apple.com/HT205640",
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            "url": "https://support.apple.com/HT205641"
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              "name": "[xorg-announce] 20110810 X.Org security advisory: libXfont LZW decompression heap corruption",
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            {
              "name": "45568",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/45568"
            },
            {
              "name": "[oss-security] 20110810 LZW decompression issues",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2011/08/10/10"
            },
            {
              "name": "1025920",
              "refsource": "SECTRACK",
              "tags": [],
              "url": "http://securitytracker.com/id?1025920"
            },
            {
              "name": "DSA-2293",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2011/dsa-2293"
            },
            {
              "name": "45544",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/45544"
            },
            {
              "name": "RHSA-2011:1154",
              "refsource": "REDHAT",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.redhat.com/support/errata/RHSA-2011-1154.html"
            },
            {
              "name": "49124",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/49124"
            },
            {
              "name": "45599",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/45599"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=727624",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=727624"
            },
            {
              "name": "[xorg-announce] 20110810 [ANNOUNCE] libXfont 1.4.4",
              "refsource": "MLIST",
              "tags": [
                "Patch"
              ],
              "url": "http://lists.freedesktop.org/archives/xorg-announce/2011-August/001722.html"
            },
            {
              "name": "http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/compress/zopen.c#rev1.17",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/compress/zopen.c#rev1.17"
            },
            {
              "name": "RHSA-2011:1161",
              "refsource": "REDHAT",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.redhat.com/support/errata/RHSA-2011-1161.html"
            },
            {
              "name": "45986",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/45986"
            },
            {
              "name": "SUSE-SU-2011:1035",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00019.html"
            },
            {
              "name": "46127",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/46127"
            },
            {
              "name": "NetBSD-SA2011-007",
              "refsource": "NETBSD",
              "tags": [],
              "url": "http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-007.txt.asc"
            },
            {
              "name": "MDVSA-2011:153",
              "refsource": "MANDRIVA",
              "tags": [],
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:153"
            },
            {
              "name": "openSUSE-SU-2011:1299",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00004.html"
            },
            {
              "name": "RHSA-2011:1834",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://www.redhat.com/support/errata/RHSA-2011-1834.html"
            },
            {
              "name": "APPLE-SA-2012-02-01-1",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html"
            },
            {
              "name": "http://support.apple.com/kb/HT5130",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://support.apple.com/kb/HT5130"
            },
            {
              "name": "http://support.apple.com/kb/HT5281",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://support.apple.com/kb/HT5281"
            },
            {
              "name": "APPLE-SA-2012-05-09-1",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"
            },
            {
              "name": "48951",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/48951"
            },
            {
              "name": "https://support.apple.com/HT205635",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT205635"
            },
            {
              "name": "APPLE-SA-2015-12-08-3",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html"
            },
            {
              "name": "https://support.apple.com/HT205637",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT205637"
            },
            {
              "name": "APPLE-SA-2015-12-08-4",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00002.html"
            },
            {
              "name": "APPLE-SA-2015-12-08-1",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00000.html"
            },
            {
              "name": "https://support.apple.com/HT205641",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT205641"
            },
            {
              "name": "APPLE-SA-2015-12-08-2",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00001.html"
            },
            {
              "name": "https://support.apple.com/HT205640",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT205640"
            },
            {
              "name": "xorg-lzw-bo(69141)",
              "refsource": "XF",
              "tags": [],
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69141"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 9.3,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": true
        }
      },
      "lastModifiedDate": "2017-08-29T01:29Z",
      "publishedDate": "2011-08-19T17:55Z"
    }
  }
}


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Sightings

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