gsd-2011-2939
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2011-2939",
    "description": "Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.",
    "id": "GSD-2011-2939",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-2939.html",
      "https://access.redhat.com/errata/RHSA-2011:1424",
      "https://alas.aws.amazon.com/cve/html/CVE-2011-2939.html",
      "https://linux.oracle.com/cve/CVE-2011-2939.html"
    ]
  },
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      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2011-2939",
      "modified": "2023-12-13T01:19:07.207863Z",
      "schema_version": "1.4.0"
    }
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      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2011-2939"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-189"
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        },
        "references": {
          "reference_data": [
            {
              "name": "http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5",
              "refsource": "CONFIRM",
              "tags": [
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                "Patch"
              ],
              "url": "http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=731246",
              "refsource": "CONFIRM",
              "tags": [
                "Patch"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=731246"
            },
            {
              "name": "[oss-security] 20110819 Re: CVE request: heap overflow in perl while decoding Unicode string",
              "refsource": "MLIST",
              "tags": [
                "Patch"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2011/08/19/17"
            },
            {
              "name": "RHSA-2011:1424",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://www.redhat.com/support/errata/RHSA-2011-1424.html"
            },
            {
              "name": "[oss-security] 20110818 CVE request: heap overflow in perl while decoding Unicode string",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2011/08/18/8"
            },
            {
              "name": "46989",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/46989"
            },
            {
              "name": "MDVSA-2012:008",
              "refsource": "MANDRIVA",
              "tags": [],
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:008"
            },
            {
              "name": "51457",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/51457"
            },
            {
              "name": "USN-1643-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-1643-1"
            },
            {
              "name": "49858",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/49858"
            },
            {
              "name": "46172",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/46172"
            },
            {
              "name": "http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod",
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              "tags": [],
              "url": "http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod"
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            {
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              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/55314"
            },
            {
              "name": "http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29",
              "refsource": "MISC",
              "tags": [],
              "url": "http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-02-13T04:32Z",
      "publishedDate": "2012-01-13T18:55Z"
    }
  }
}


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