CVE-2018-1083

Name	CVE-2018-1083
Description	Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.
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-1335-1, DLA-2470-1, ELA-316-1
Debian Bugs	894043

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.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
zsh	source	wheezy	4.3.17-1+deb7u2		DLA-1335-1
zsh	source	jessie	5.0.7-5+deb8u2		ELA-316-1
zsh	source	stretch	5.3.1-4+deb9u1		DLA-2470-1
zsh	source	(unstable)	5.4.2-4	low		894043

[jessie] - zsh <no-dsa> (Minor issue)
https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7