CVE-2014-4343

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Summary

CVECVE-2014-4343
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-08-14 05:01:49 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionDouble 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.

Risk And Classification

Primary CVSS: v2.0 7.6 from [email protected]

AV:N/AC:H/Au:N/C:C/I:C/A:C

Problem Types: CWE-415 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
High
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:H/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Application Mit Kerberos 5 1.10 All All All
Application Mit Kerberos 5 1.10.1 All All All
Application Mit Kerberos 5 1.10.2 All All All
Application Mit Kerberos 5 1.10.3 All All All
Application Mit Kerberos 5 1.10.4 All All All
Application Mit Kerberos 5 1.11 All All All
Application Mit Kerberos 5 1.11.1 All All All
Application Mit Kerberos 5 1.11.2 All All All
Application Mit Kerberos 5 1.11.3 All All All
Application Mit Kerberos 5 1.11.4 All All All
Application Mit Kerberos 5 1.11.5 All All All
Application Mit Kerberos 5 1.12 All All All
Application Mit Kerberos 5 1.12.1 All All All
Operating System Redhat Enterprise Linux Desktop 7.0 All All All
Operating System Redhat Enterprise Linux Hpc Node 7.0 All All All
Operating System Redhat Enterprise Linux Server 7.0 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
MIT Kerberos Multiple Memory Errors Let Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
www.osvdb.org/109390 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
Security Advisory SA60082 - SUSE update for krb5 - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian -- Security Information -- DSA-3000-1 krb5 af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
MIT Kerberos 5 CVE-2014-4343 Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc af854a3a-2127-422b-91ae-364da2661108 aix.software.ibm.com
[SECURITY] Fedora 20 Update: krb5-1.11.5-10.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Security Advisory SA59102 - Debian update for krb5 - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Mageia Advisory: MGASA-2014-0345 - Updated krb5 package fixes security vulnerabilities af854a3a-2127-422b-91ae-364da2661108 advisories.mageia.org
1121876 – (CVE-2014-4343) CVE-2014-4343 krb5: double-free flaw in SPNEGO initiators af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
MIT Kerberos 5: User-assisted execution of arbitrary code (GLSA 201412-53) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
Security Advisory SA60448 - IBM AIX / Virtual I/O Server Kerberos GSSAPI Multiple Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Fix double-free in SPNEGO [CVE-2014-4343] · krb5/krb5@f18ddf5 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
support.f5.com/kb/en-us/solutions/public/15000/500/sol15553.html af854a3a-2127-422b-91ae-364da2661108 support.f5.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Security Advisory SA61052 - F5 Multiple Products Kerberos GSSAPI SPNEGO Memory Corruption Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
RT/krbdev.mit.edu: Ticket #7969 Double-free in initiator during SPNEGO renegotiation [CVE-2014-4343] af854a3a-2127-422b-91ae-364da2661108 krbdev.mit.edu Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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