Description
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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patchPatch
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txtVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://osvdb.org/87623
- http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
- http://secunia.com/advisories/51268Vendor Advisory
- http://secunia.com/advisories/51298Vendor Advisory
- http://www.exploit-db.com/exploits/22902Exploit
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:100
- http://www.openwall.com/lists/oss-security/2012/11/21/1
- http://www.securityfocus.com/bid/56619Exploit
- http://www.securitytracker.com/id?1027802
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80213
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345
- http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patchPatch
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txtVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://osvdb.org/87623
- http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
- http://secunia.com/advisories/51268Vendor Advisory
- http://secunia.com/advisories/51298Vendor Advisory
- http://www.exploit-db.com/exploits/22902Exploit
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:100
- http://www.openwall.com/lists/oss-security/2012/11/21/1
- http://www.securityfocus.com/bid/56619Exploit
- http://www.securitytracker.com/id?1027802
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80213
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345
Timeline
- Published
- Nov 24, 2012
- Last modified
- Jun 16, 2026
- NVD status
- Modified