CVEs-PoC/2014/CVE-2014-4344.md

CVE-2014-4344

Description

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.

POC

Reference

• https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b
• https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edc

Github

No PoCs found on GitHub currently.