Description
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
References (11)
Core 11
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/77581
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201611-14
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1034084
Third Party Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
Vendor Advisory x_refsource_confirm
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3395
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2810-1
Scores
EPSS
0.0639
EPSS Percentile
91.1%
Details
CWE
CWE-125
Status
published
Products (15)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
15.04
canonical/ubuntu_linux
15.10
debian/debian_linux
7.0
debian/debian_linux
8.0
debian/debian_linux
9.0
mit/kerberos_5
< 1.14
opensuse/leap
42.1
opensuse/opensuse
13.1
... and 5 more
Published
Nov 09, 2015
Tracked Since
Feb 18, 2026