Name | 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. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-37-1, DSA-3000-1 |
Debian Bugs | 755521 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
krb5 (PTS) | buster | 1.17-3+deb10u4 | fixed |
| buster (security) | 1.17-3+deb10u6 | fixed |
| bullseye | 1.18.3-6+deb11u4 | fixed |
| bullseye (security) | 1.18.3-6+deb11u3 | fixed |
| bookworm | 1.20.1-2+deb12u1 | fixed |
| trixie | 1.20.1-5 | fixed |
| sid | 1.20.1-6 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|
krb5 | source | squeeze | 1.8.3+dfsg-4squeeze8 | | | |
krb5 | source | wheezy | 1.10.1+dfsg-5+deb7u2 | | DSA-3000-1 | |
krb5 | source | (unstable) | 1.12.1+dfsg-5 | | | 755521 |
Notes
https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b