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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:C
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 92%
VendorProductVersion
debiandebian_linux
7.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_hpc_node
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
7.0
mitkerberos_5
1.10
mitkerberos_5
1.10.1
mitkerberos_5
1.10.2
mitkerberos_5
1.10.3
mitkerberos_5
1.10.4
mitkerberos_5
1.11
mitkerberos_5
1.11.1
mitkerberos_5
1.11.2
mitkerberos_5
1.11.3
mitkerberos_5
1.11.4
mitkerberos_5
1.11.5
mitkerberos_5
1.12
mitkerberos_5
1.12.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
krb5
bullseye (security)
1.18.3-6+deb11u5
fixed
bullseye
1.18.3-6+deb11u5
fixed
bookworm
1.20.1-2+deb12u2
fixed
bookworm (security)
1.20.1-2+deb12u2
fixed
sid
1.21.3-3
fixed
trixie
1.21.3-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
krb5
trusty
Fixed 1.12+dfsg-2ubuntu4.2
released
saucy
ignored
precise
Fixed 1.10+dfsg~beta1-2ubuntu0.5
released
lucid
Fixed 1.8.1+dfsg-2ubuntu0.13
released
Common Weakness Enumeration
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