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CVE-2012-6702 (GCVE-0-2012-6702)

Vulnerability from cvelistv5 – Published: 2016-06-16 18:00 – Updated: 2024-08-06 21:36
VLAI
Summary
Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function.
Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • n/a
Assigner
References
URL Tags
https://www.tenable.com/security/tns-2016-20 x_refsource_CONFIRM
http://www.securityfocus.com/bid/91483 vdb-entryx_refsource_BID
http://www.debian.org/security/2016/dsa-3597 vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2016/06/04/1 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/06/03/8 mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201701-21 vendor-advisoryx_refsource_GENTOO
https://source.android.com/security/bulletin/2016… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3010-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2012-04-05 00:00
Show details on NVD website
To clipboard 

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              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-06-16T18:59:00.327",
        "references": [
          {
            "source": "security@opentext.com",
            "url": "http://www.debian.org/security/2016/dsa-3597"
          },
          {
            "source": "security@opentext.com",
            "url": "http://www.openwall.com/lists/oss-security/2016/06/03/8"
          },
          {
            "source": "security@opentext.com",
            "url": "http://www.openwall.com/lists/oss-security/2016/06/04/1"
          },
          {
            "source": "security@opentext.com",
            "url": "http://www.securityfocus.com/bid/91483"
          },
          {
            "source": "security@opentext.com",
            "url": "http://www.ubuntu.com/usn/USN-3010-1"
          },
          {
            "source": "security@opentext.com",
            "url": "https://security.gentoo.org/glsa/201701-21"
          },
          {
            "source": "security@opentext.com",
            "url": "https://source.android.com/security/bulletin/2016-11-01.html"
          },
          {
            "source": "security@opentext.com",
            "url": "https://www.tenable.com/security/tns-2016-20"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3597"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2016/06/03/8"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2016/06/04/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/91483"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-3010-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201701-21"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://source.android.com/security/bulletin/2016-11-01.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.tenable.com/security/tns-2016-20"
          }
        ],
        "sourceIdentifier": "security@opentext.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-08T16:41:56+00:00",
      "cve": "CVE-2012-6702",
      "id": "CVE-2012-6702",
      "initial_release_date": "2012-01-01T00:00:00+00:00",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "20",
      "product_status:under_investigation": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "expat: Using XML_Parse before rand() results into non-random output",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-6702.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T12:54:12Z",
      "cve": "CVE-2012-6702",
      "id": "CVE-2012-6702",
      "initial_release_date": "2023-02-15T05:42:49Z",
      "product_status:known_affected": "365",
      "product_status:recommended": "446",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-6702",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-6702.json",
      "version": "40"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.