CVE-2022-45142

Name	CVE-2022-45142
Description	The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.
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-3311-1, DSA-5344-1
Debian Bugs	1030849

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
heimdal (PTS)	bullseye, bullseye (security)	7.7.0+dfsg-2+deb11u3	fixed
	bookworm	7.8.git20221117.28daf24+dfsg-2	fixed
	sid, trixie	7.8.git20221117.28daf24+dfsg-8	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
heimdal	source	buster	7.5.0+dfsg-3+deb10u2	DLA-3311-1
heimdal	source	bullseye	7.7.0+dfsg-2+deb11u3	DSA-5344-1
heimdal	source	(unstable)	7.8.git20221117.28daf24+dfsg-1.1		1030849

https://www.openwall.com/lists/oss-security/2023/02/08/1
https://bugzilla.samba.org/show_bug.cgi?id=15296