CVE-2011-1784

Name	CVE-2011-1784
Description	The 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	626281

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
keepalived (PTS)	jessie, jessie (lts)	1:1.2.13-1+deb8u1	fixed
	stretch (lts), stretch	1:1.3.2-1+deb9u1	fixed
	buster (security), buster, buster (lts)	1:2.0.10-1+deb10u1	fixed
	bullseye	1:2.1.5-0.2+deb11u1	fixed
	bookworm	1:2.2.7-1	fixed
	sid, trixie	1:2.3.1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
keepalived	source	squeeze	1:1.1.20-1+squeeze1
keepalived	source	(unstable)	1:1.2.2-2	low		626281

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