| Name | CVE-2018-1100 |
| Description | zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user. |
| 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-2470-1, ELA-316-1 |
| Debian Bugs | 895225 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| zsh (PTS) | jessie, jessie (lts) | 5.0.7-5+deb8u4 | fixed |
| stretch (security), stretch (lts), stretch | 5.3.1-4+deb9u5 | fixed |
| buster (security), buster, buster (lts) | 5.7.1-1+deb10u1 | fixed |
| bullseye (security), bullseye | 5.8-6+deb11u1 | fixed |
| bookworm | 5.9-4 | fixed |
| sid, trixie | 5.9-8 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - zsh <no-dsa> (Minor issue)
[wheezy] - zsh <no-dsa> (Minor issue)
https://www.zsh.org/cgi-bin/mla/redirect?WORKERNUMBER=42607
https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/