CVE-2015-2697

First published: Mon Nov 09 2015(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
MIT Kerberos 5	<1.14
Oracle Solaris	=11.3
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
openSUSE Leap	=42.1
openSUSE openSUSE	=13.1
openSUSE openSUSE	=13.2
SUSE Linux Enterprise Desktop	=12
SUSE Linux Enterprise Server	=12
SUSE Linux Enterprise Software Development Kit	=12

Remedy

https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789

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