CVE-2012-3547 Information

Description

Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12 when using TLS-based EAP methods allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via a long \not after\ timestamp in a client certificate.

Reference

http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html http://freeradius.org/security.html http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html http://osvdb.org/85325 http://rhn.redhat.com/errata/RHSA-2012-1326.html http://rhn.redhat.com/errata/RHSA-2012-1327.html http://secunia.com/advisories/50484 http://secunia.com/advisories/50584 http://secunia.com/advisories/50637 http://secunia.com/advisories/50770 http://www.debian.org/security/2012/dsa-2546 http://www.mandriva.com/security/advisories?name=MDVSA-2012:159 http://www.openwall.com/lists/oss-security/2012/09/10/2 http://www.pre-cert.de/advisories/PRE-SA-2012-06.txt http://www.securityfocus.com/bid/55483 http://www.securitytracker.com/id?1027509 http://www.ubuntu.com/usn/USN-1585-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/78408