Vulnerability CVE-2011-1784
Published: 2011-05-20   Modified: 2012-02-13

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.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.6/10
4.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Keepalived -> Keepalived 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=704039
http://xforce.iss.net/xforce/xfdb/67477
http://www.securityfocus.com/bid/47859
http://www.osvdb.org/72380
http://secunia.com/advisories/44460
http://openwall.com/lists/oss-security/2011/05/16/7
http://openwall.com/lists/oss-security/2011/05/10/5
http://lists.debian.org/debian-security/2011/05/msg00018.html
http://lists.debian.org/debian-security/2011/05/msg00013.html
http://lists.debian.org/debian-security/2011/05/msg00012.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281
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