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CVE-2014-4343 (GCVE-0-2014-4343)

Vulnerability from cvelistv5 – Published: 2014-08-14 01:00 – Updated: 2024-08-06 11:12
VLAI
Summary
Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://github.com/krb5/krb5/commit/f18ddf5d82de0… x_refsource_CONFIRM
http://aix.software.ibm.com/aix/efixes/security/n… x_refsource_CONFIRM
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http://rhn.redhat.com/errata/RHSA-2015-0439.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/60448 third-party-advisoryx_refsource_SECUNIA
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7969 x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://support.f5.com/kb/en-us/solutions/public/1… x_refsource_CONFIRM
http://www.securityfocus.com/bid/69159 vdb-entryx_refsource_BID
http://www.debian.org/security/2014/dsa-3000 vendor-advisoryx_refsource_DEBIAN
http://security.gentoo.org/glsa/glsa-201412-53.xml vendor-advisoryx_refsource_GENTOO
http://www.osvdb.org/109390 vdb-entryx_refsource_OSVDB
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.securitytracker.com/id/1030706 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/60082 third-party-advisoryx_refsource_SECUNIA
http://advisories.mageia.org/MGASA-2014-0345.html x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1121876 x_refsource_CONFIRM
http://secunia.com/advisories/59102 third-party-advisoryx_refsource_SECUNIA
Date Public
2014-07-21 00:00
Show details on NVD website
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        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-415"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:28:47+00:00",
      "cve": "CVE-2014-4343",
      "id": "CVE-2014-4343",
      "initial_release_date": "2014-07-15T00:00:00+00:00",
      "product_status:fixed": "408",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: double-free flaw in SPNEGO initiators",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-4343.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T01:27:58Z",
      "cve": "CVE-2014-4343",
      "id": "CVE-2014-4343",
      "initial_release_date": "2023-02-15T05:27:50Z",
      "product_status:known_not_affected": "248",
      "product_status:recommended": "279",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2014-4343",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2014-4343.json",
      "version": "19"
    }
  }
}



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Taxonomy of the tags.





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.