| Name | CVE-2019-13917 |
| Description | Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4488-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| exim4 (PTS) | buster | 4.92-8+deb10u6 | fixed |
| buster (security) | 4.92-8+deb10u8 | fixed |
| bullseye | 4.94.2-7 | fixed |
| bullseye (security) | 4.94.2-7+deb11u1 | fixed |
| bookworm | 4.96-15+deb12u1 | fixed |
| 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
[jessie] - exim4 <not-affected> (Vulnerable code confirmed as introduced in version 4.85)
https://www.openwall.com/lists/oss-security/2019/07/22/3
https://www.exim.org/static/doc/security/CVE-2019-13917.txt
https://git.exim.org/exim.git/commit/21aa05977abff1eaa69bb97ef99080220915f7c0