| Name | CVE-2023-42116 |
| Description | Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability |
| 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-3599-1, DSA-5512-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| exim4 (PTS) | buster | 4.92-8+deb10u6 | vulnerable |
| buster (security) | 4.92-8+deb10u8 | fixed |
| bullseye | 4.94.2-7 | vulnerable |
| bullseye (security) | 4.94.2-7+deb11u1 | fixed |
| bookworm | 4.96-15+deb12u1 | vulnerable |
| bookworm (security) | 4.96-15+deb12u2 | fixed |
| sid, trixie | 4.97-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-1470/
https://bugs.exim.org/show_bug.cgi?id=3000
https://git.exim.org/exim.git/log/refs/heads/exim-4.96%20security/exim.git/commit/936e342d560e218c2aee5cb2295be925c27c2106
https://www.openwall.com/lists/oss-security/2023/09/29/5
https://www.openwall.com/lists/oss-security/2023/10/01/4
https://exim.org/static/doc/security/CVE-2023-zdi.txt