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CVE-2014-4344 Detail

Description

The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://advisories.mageia.org/MGASA-2014-0345.html
http://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7970 Issue Tracking  Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
http://rhn.redhat.com/errata/RHSA-2015-0439.html Third Party Advisory 
http://secunia.com/advisories/59102
http://secunia.com/advisories/60082
http://secunia.com/advisories/60448
http://secunia.com/advisories/61051
http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15561.html
http://www.debian.org/security/2014/dsa-3000 Third Party Advisory 
http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
http://www.osvdb.org/109389
http://www.securityfocus.com/bid/69160
http://www.securitytracker.com/id/1030706
https://bugzilla.redhat.com/show_bug.cgi?id=1121877
https://exchange.xforce.ibmcloud.com/vulnerabilities/95210
https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b
https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edc Issue Tracking  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

18 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-4344
NVD Published Date:
08/14/2014
NVD Last Modified:
01/21/2020
Source:
MITRE