Vulnerability Details CVE-2014-4344
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.091
EPSS Ranking 92.2%
CVSS Severity
CVSS v2 Score 7.8
References
- 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
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
- http://rhn.redhat.com/errata/RHSA-2015-0439.html
- 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
- 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
- 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
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
- http://rhn.redhat.com/errata/RHSA-2015-0439.html
- 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
- 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
Products affected by CVE-2014-4344
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cpe:2.3:a:mit:kerberos_5:1.10
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cpe:2.3:a:mit:kerberos_5:1.10.1
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cpe:2.3:a:mit:kerberos_5:1.10.2
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cpe:2.3:a:mit:kerberos_5:1.10.3
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cpe:2.3:a:mit:kerberos_5:1.10.4
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cpe:2.3:a:mit:kerberos_5:1.11
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cpe:2.3:a:mit:kerberos_5:1.11.1
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cpe:2.3:a:mit:kerberos_5:1.11.2
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cpe:2.3:a:mit:kerberos_5:1.11.3
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cpe:2.3:a:mit:kerberos_5:1.11.4
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cpe:2.3:a:mit:kerberos_5:1.11.5
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cpe:2.3:a:mit:kerberos_5:1.12
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cpe:2.3:a:mit:kerberos_5:1.12.1
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cpe:2.3:o:debian:debian_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
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cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0
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cpe:2.3:o:redhat:enterprise_linux_server:7.0
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cpe:2.3:o:redhat:enterprise_linux_workstation:7.0