CVE-2011-1784

NameCVE-2011-1784
DescriptionThe pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs626281

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
keepalived (PTS)buster1:2.0.10-1fixed
buster (security)1:2.0.10-1+deb10u1fixed
bullseye1:2.1.5-0.2+deb11u1fixed
bookworm1:2.2.7-1fixed
trixie1:2.2.8-1fixed
sid1:2.3.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
keepalivedsourcesqueeze1:1.1.20-1+squeeze1
keepalivedsource(unstable)1:1.2.2-2low626281

Notes

[lenny] - keepalived <no-dsa> (Minor issue)

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