CVE-2011-3200 Information

Description

Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.

Reference

http://git.adiscon.com/?p=rsyslog.git;a=commit;h=1ca6cc236d1dabf1633238b873fb1c057e52f95e http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html http://secunia.com/advisories/45922 http://secunia.com/advisories/46027 http://securitytracker.com/id?1026000 http://www.mandriva.com/security/advisories?name=MDVSA-2011:134 http://www.redhat.com/support/errata/RHSA-2011-1247.html http://www.rsyslog.com/potential-dos-with-malformed-tag/ http://www.securityfocus.com/bid/49413 https://bugzilla.redhat.com/show_bug.cgi?id=727644