CVE-2016-7091

NameCVE-2016-7091
Descriptionsudo: 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
sudo (PTS)stretch1.8.19p1-2.1+deb9u2fixed
stretch (security)1.8.19p1-2.1+deb9u3fixed
buster, buster (security)1.8.27-1+deb10u3fixed
bullseye, sid1.9.5p2-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sudosource(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

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