Descriptionlibgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary code via the GSSAPI_MECH_CONF environment variable, as demonstrated using mount.nfs.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs670256

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgssglue (PTS)buster, bullseye0.4-2fixed
sid, trixie0.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[squeeze] - libgssglue <no-dsa> (Minor issue in Squeeze)
Our mount.nfs does not link against libgssglue,
so we do not appear to be affected directly.

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