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CVE-2014-4344

Published: 21 July 2014

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.

Priority

Medium

Status

Package Release Status
krb5
Launchpad, Ubuntu, Debian
Upstream
Released (1.12.1+dfsg-5)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.12+dfsg-2ubuntu4.2)
Patches:
Upstream: https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b