CVE-2007-4727

Name	CVE-2007-4727
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."
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1362-1
Debian Bugs	441555

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lighttpd (PTS)	bullseye (security), bullseye	1.4.59-1+deb11u2	fixed
	bookworm	1.4.69-1	fixed
	trixie, sid	1.4.76-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lighttpd	source	etch	1.4.13-4etch4		DSA-1362-1
lighttpd	source	(unstable)	1.4.18-1	medium		441555

Notes

http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt
http://www.lighttpd.net/download/lighttpd-1.4.x_mod_fastcgi_overrun.patch
http://www.milw0rm.com/exploits/4391