CVE-2015-3246

NameCVE-2015-3246
Descriptionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-468-1
Debian Bugs793465

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libuser (PTS)bullseye1:0.62~dfsg-0.4fixed
bookworm1:0.64~dfsg-1fixed
sid, trixie1:0.64~dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libusersourcewheezy1:0.56.9.dfsg.1-1.2+deb7u1DLA-468-1
libusersource(unstable)1:0.62~dfsg-0.1793465

Notes

[jessie] - libuser <no-dsa> (Minor issue)

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