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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789 ↗
- http://www.securityfocus.com/bid/77581 ↗
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html ↗
- https://security.gentoo.org/glsa/201611-14 ↗
- http://www.securitytracker.com/id/1034084 ↗
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html ↗
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252 ↗
- http://www.debian.org/security/2015/dsa-3395 ↗
- http://www.ubuntu.com/usn/USN-2810-1 ↗