CVE-2010-1938 Information

Description

Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.

Reference

http://blog.pi3.com.pl/?p=111 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932 http://secunia.com/advisories/39963 http://secunia.com/advisories/39966 http://secunia.com/advisories/45136 http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc http://securityreason.com/achievement_securityalert/87 http://securityreason.com/securityalert/7450 http://securitytracker.com/id?1024040 http://securitytracker.com/id?1025709 http://site.pi3.com.pl/adv/libopie-adv.txt http://www.debian.org/security/2011/dsa-2281 http://www.exploit-db.com/exploits/12762 http://www.securityfocus.com/bid/40403