CVE-2012-5533

Publication date 24 November 2012

Last updated 24 July 2024

Ubuntu priority

The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection: TE,,Keep-Alive" header.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
lighttpd	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not affected

How can I get the fixes?
What do statuses mean?
Patch details

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
lighttpd	Upstream: http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch

References

MITRE
NVD
Launchpad
Debian

Other references

http://www.securitytracker.com/id?1027802
http://www.openwall.com/lists/oss-security/2012/11/21/1
http://www.exploit-db.com/exploits/22902
http://secunia.com/advisories/51298
http://secunia.com/advisories/51268
http://osvdb.org/87623
http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt
http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch
https://www.cve.org/CVERecord?id=CVE-2012-5533