| Name | CVE-2016-7091 |
| Description | sudo: It was discovered that the default sudo configuration on Red Hat Enterprise Linux and possibly other Linux implementations preserves the value of INPUTRC which could lead to information disclosure. A local user with sudo access to a restricted program that uses readline could use this flaw to read content from specially formatted files with elevated privileges provided by sudo. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| sudo (PTS) | jessie, jessie (lts) | 1.8.10p3-1+deb8u9 | fixed |
| stretch (security) | 1.8.19p1-2.1+deb9u3 | fixed |
| stretch (lts), stretch | 1.8.19p1-2.1+deb9u6 | fixed |
| buster (security), buster, buster (lts) | 1.8.27-1+deb10u6 | fixed |
| bullseye (security), bullseye | 1.9.5p2-3+deb11u1 | fixed |
| bookworm | 1.9.13p3-1+deb12u1 | fixed |
| sid, trixie | 1.9.16p1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| sudo | source | (unstable) | (not affected) | | | |
Notes
- sudo <not-affected> (Debian not including INPUTRC in /etc/sudoers)
Cf. https://bugzilla.redhat.com/show_bug.cgi?id=1339935
The scope of this CVE is the entire 'INPUTRC should
not be included in "env_keep" at all, or else somehow restricted'
problem, which has both the information disclosure and segmentation
fault outcomes.
Debian does not include INPUTRC by default in /etc/sudoers