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CVE-2011-1784

Status Candidate

Overview

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.

Related Files

Mandriva Linux Security Advisory 2013-096
Posted Apr 11, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-096 - The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the checkers.pid, and vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files. A security issue due to syslog being used inside of sighandlers has also been fixed. Finally, keepalived was failing to load the ip_vs kernel module because of an incorrect modprobe option. This has also been corrected.

tags | advisory, arbitrary, kernel, local
systems | linux, mandriva
advisories | CVE-2011-1784
MD5 | 0296c6b16d82cb4364cb0bbf0c6a8e2f
Gentoo Linux Security Advisory 201207-07
Posted Jul 10, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201207-7 - Keepalived uses world-writable PID files, allowing a local attacker to kill arbitrary processes. Versions less than 1.2.2-r3 are affected.

tags | advisory, arbitrary, local
systems | linux, gentoo
advisories | CVE-2011-1784
MD5 | 1b4ef8499ffa7716e4cf8877365ca2af
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