CVE-2012-4445 Information

Description

Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service (crash or abort) via a small \TLS Message Length\ value in an EAP-TLS message with the \More Fragments\ flag set.

Reference

http://osvdb.org/86051 http://secunia.com/advisories/50805 http://secunia.com/advisories/50888 http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff;h=586c446e0ff42ae00315b014924ec669023bd8de http://www.debian.org/security/2012/dsa-2557 http://www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc http://www.mandriva.com/security/advisories?name=MDVSA-2012:168 http://www.openwall.com/lists/oss-security/2012/10/08/3 http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt http://www.securityfocus.com/bid/55826 http://www.securitytracker.com/id?1027808 https://exchange.xforce.ibmcloud.com/vulnerabilities/79104