| 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) | jessie, jessie (lts) | 4.84.2-2+deb8u13 | fixed |
| stretch (security) | 4.89-2+deb9u8 | fixed |
| stretch (lts), stretch | 4.89-2+deb9u14 | fixed |
| buster, buster (lts) | 4.92-8+deb10u11 | fixed |
| buster (security) | 4.92-8+deb10u9 | fixed |
| bullseye | 4.94.2-7+deb11u3 | fixed |
| bullseye (security) | 4.94.2-7+deb11u4 | fixed |
| bookworm | 4.96-15+deb12u6 | fixed |
| bookworm (security) | 4.96-15+deb12u5 | fixed |
| trixie | 4.98-2 | fixed |
| sid | 4.98-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| exim4 | source | wheezy | (not affected) | | | |
| exim4 | source | jessie | (not affected) | | | |
| exim4 | source | stretch | 4.89-2+deb9u5 | | DSA-4488-1 | |
| exim4 | source | buster | 4.92-8+deb10u1 | | DSA-4488-1 | |
| exim4 | source | (unstable) | 4.92-10 | | | |
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
[wheezy] - exim4 <not-affected> (Vulnerable code confirmed as introduced in version 4.85)