| 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) | jessie, jessie (lts) | 1.6~rc2+dfsg-9+deb8u3 | fixed |
| stretch (security) | 7.1.0+dfsg-13+deb9u3 | fixed |
| stretch (lts), stretch | 7.1.0+dfsg-13+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 7.5.0+dfsg-3+deb10u2 | fixed |
| bullseye (security), bullseye | 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.
Notes
https://www.openwall.com/lists/oss-security/2023/02/08/1
https://bugzilla.samba.org/show_bug.cgi?id=15296
[stretch] - heimdal <not-affected> (CVE-2022-3437 backported correctly)
[jessie] - heimdal <not-affected> (CVE-2022-3437 backported correctly)