CVE-2010-4052 Information

Description

Stack consumption vulnerability in the regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3 and 2.12.x through 2.12.2 allows context-dependent attackers to cause a denial of service (resource exhaustion) via a regular expression containing adjacent repetition operators as demonstrated by a 10101010 sequence in the proftpd.gnu.c exploit for ProFTPD.

Reference

http://cxib.net/stuff/proftpd.gnu.c http://seclists.org/fulldisclosure/2011/Jan/78 http://secunia.com/advisories/42547 http://securityreason.com/achievement_securityalert/93 http://securityreason.com/securityalert/8003 http://securitytracker.com/id?1024832 http://www.exploit-db.com/exploits/15935 http://www.kb.cert.org/vuls/id/912279 http://www.securityfocus.com/archive/1/515589/100/0/threaded http://www.securityfocus.com/bid/45233 https://bugzilla.redhat.com/show_bug.cgi?id=645859