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CVE-2014-5355

Description

MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5_read_message data field is represented as a string ending with a '\0' character, which allows remote attackers to (1) cause a denial of service (NULL pointer dereference) via a zero-byte version string or (2) cause a denial of service (out-of-bounds read) by omitting the '\0' character, related to appl/user_user/server.c and lib/krb5/krb/recvauth.c.

POC

Reference

- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

- https://github.com/krb5/krb5/commit/102bb6ebf20f9174130c85c3b052ae104e5073ec

Github

No PoCs found on GitHub currently.