CVE-2010-4652 Information

Description

Heap-based buffer overflow in the sql_prepare_where function (contrib/mod_sql.c) in ProFTPD before 1.3.3d when mod_sql is enabled allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted username containing substitution tags which are not properly handled during construction of an SQL query.

Reference

http://bugs.proftpd.org/show_bug.cgi?id=3536 http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053537.html http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053540.html http://phrack.org/issues.html?issue=67&id=7article http://proftpd.org/docs/RELEASE_NOTES-1.3.3d http://www.debian.org/security/2011/dsa-2191 http://www.mandriva.com/security/advisories?name=MDVSA-2011:023 http://www.securityfocus.com/bid/44933 http://www.vupen.com/english/advisories/2011/0248 http://www.vupen.com/english/advisories/2011/0331 https://bugzilla.redhat.com/show_bug.cgi?id=670170