Name | CVE-2022-37452 |
Description | Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set. |
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-3082-1, ELA-692-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
exim4 (PTS) | jessie, jessie (lts) | 4.84.2-2+deb8u11 | fixed |
| stretch (security) | 4.89-2+deb9u8 | vulnerable |
| stretch (lts), stretch | 4.89-2+deb9u11 | fixed |
| buster | 4.92-8+deb10u6 | vulnerable |
| buster (security) | 4.92-8+deb10u9 | fixed |
| bullseye (security), bullseye | 4.94.2-7+deb11u2 | fixed |
| bookworm (security), bookworm | 4.96-15+deb12u4 | fixed |
| sid, trixie | 4.97-8 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.openwall.com/lists/oss-security/2022/08/06/8
https://github.com/ivd38/exim_overflow
https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743 (exim-4.95-RC0)