Vulnerability Monitor

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CVE-2012-5533

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.

Published

2012-11-24T20:55:04.307

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lighttpd	lighttpd	1.4.31	Yes
Application	lighttpd	lighttpd	1.4.32	Yes

References

http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch Patch ([email protected])
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html ([email protected])
http://marc.info/?l=bugtraq&m=141576815022399&w=2 ([email protected])
http://osvdb.org/87623 ([email protected])
http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html ([email protected])
http://secunia.com/advisories/51268 Vendor Advisory ([email protected])
http://secunia.com/advisories/51298 Vendor Advisory ([email protected])
http://www.exploit-db.com/exploits/22902 Exploit ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2013:100 ([email protected])
http://www.openwall.com/lists/oss-security/2012/11/21/1 ([email protected])
http://www.securityfocus.com/bid/56619 Exploit ([email protected])
http://www.securitytracker.com/id?1027802 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/80213 ([email protected])
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345 ([email protected])
http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=141576815022399&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/87623 (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51268 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51298 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.exploit-db.com/exploits/22902 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:100 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/11/21/1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/56619 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1027802 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/80213 (af854a3a-2127-422b-91ae-364da2661108)
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345 (af854a3a-2127-422b-91ae-364da2661108)