| Name | CVE-2016-7543 |
| Description | Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables. |
| 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-680-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bash (PTS) | jessie, jessie (lts) | 4.3-11+deb8u2 | fixed |
| stretch | 4.4-5 | fixed |
| buster | 5.0-4 | fixed |
| bullseye | 5.1-2+deb11u1 | fixed |
| bookworm | 5.2.15-2 | fixed |
| sid, trixie | 5.2.32-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bash | source | wheezy | 4.2+dfsg-0.1+deb7u4 | | DLA-680-1 | |
| bash | source | jessie | 4.3-11+deb8u1 | | | |
| bash | source | (unstable) | 4.4-1 | | | |
Notes
https://www.openwall.com/lists/oss-security/2016/09/26/9
Default shell is dash which is not vulnerable, but bash in Jessie and
Wheezy are affected.
Fixed by (4.3): https://ftp.gnu.org/pub/gnu/bash/bash-4.3-patches/bash43-048