logwatch.pl in Logwatch 7.3.6 allows remote attackers to execute arbitrary commands via shell metacharacters in a log file name, as demonstrated via a crafted username to a Samba server.
lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26
secunia.com/advisories/43356
secunia.com/advisories/43495
secunia.com/advisories/43622
secunia.com/advisories/43644
secunia.com/advisories/43734
sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel
sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824
www.debian.org/security/2011/dsa-2182
www.openwall.com/lists/oss-security/2011/02/24/13
www.openwall.com/lists/oss-security/2011/02/24/15
www.redhat.com/support/errata/RHSA-2011-0324.html
www.securityfocus.com/bid/46554
www.securitytracker.com/id?1025165
www.ubuntu.com/usn/USN-1078-1
www.vupen.com/english/advisories/2011/0533
www.vupen.com/english/advisories/2011/0581
www.vupen.com/english/advisories/2011/0596
bugzilla.redhat.com/show_bug.cgi?id=680237