National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-4343 Detail

Description

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.

Source:  MITRE
Description Last Modified:  08/14/2014

Evaluator Description

CWE-415: Double Free

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.6 HIGH
Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

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=7969 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/61052
http://security.gentoo.org/glsa/glsa-201412-53.xml Third Party Advisory
http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15553.html
http://www.debian.org/security/2014/dsa-3000 Third Party Advisory
http://www.osvdb.org/109390
http://www.securityfocus.com/bid/69159
http://www.securitytracker.com/id/1030706
https://bugzilla.redhat.com/show_bug.cgi?id=1121876
https://exchange.xforce.ibmcloud.com/vulnerabilities/95211
https://github.com/krb5/krb5/commit/f18ddf5d82de0ab7591a36e465bc24225776940f Issue Tracking Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:mit:kerberos:5-1.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.10.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.10.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.10.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.10.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.11.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mit:kerberos:5-1.12.1:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-4343
NVD Published Date:
08/14/2014
NVD Last Modified:
08/28/2017