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Mandriva Linux Security Advisory 2013-096

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
SHA-256 | f3cd472376eebff910246245a399722a96d596a772515aa4360494a1cf49a7a1

Mandriva Linux Security Advisory 2013-096

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2013:096
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : keepalived
Date : April 10, 2013
Affected: Business Server 1.0
_______________________________________________________________________

Problem Description:

Updated keepalived package fixes security vulnerability:

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 (CVE-2011-1784).

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.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1784
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0188
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 1/X86_64:
43f8ed4c37d9fe36333144910b156756 mbs1/x86_64/keepalived-1.2.2-2.1.mbs1.x86_64.rpm
469ea55f6172a4bd36202dcd33203765 mbs1/SRPMS/keepalived-1.2.2-2.1.mbs1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/en/support/security/advisories/

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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