CVE-2007-4727 Information

Description

Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length as demonstrated by overwriting the SCRIPT_FILENAME variable aka a \header overflow.\

Reference

http://fedoranews.org/updates/FEDORA-2007-213.shtml http://secunia.com/advisories/26732 http://secunia.com/advisories/26794 http://secunia.com/advisories/26824 http://secunia.com/advisories/26997 http://secunia.com/advisories/27229 http://securityreason.com/securityalert/3127 http://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/ http://trac.lighttpd.net/trac/changeset/1986 http://www.gentoo.org/security/en/glsa/glsa-200709-16.xml http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt http://www.novell.com/linux/security/advisories/2007_20_sr.html http://www.securityfocus.com/archive/1/479763/100/0/threaded http://www.securityfocus.com/bid/25622 http://www.vupen.com/english/advisories/2007/3110 https://bugzilla.redhat.com/show_bug.cgi?id=284511 https://exchange.xforce.ibmcloud.com/vulnerabilities/36526 https://issues.rpath.com/browse/RPL-1715