CVE-2012-5533

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Summary

CVECVE-2012-5533
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-11-24 20:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Lighttpd Lighttpd 1.4.31 All All All
Application Lighttpd Lighttpd 1.4.32 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
lighttpd 'http_request_split_value()' Function Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Exploit
download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.p... af854a3a-2127-422b-91ae-364da2661108 download.lighttpd.net Patch
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt af854a3a-2127-422b-91ae-364da2661108 download.lighttpd.net Vendor Advisory
openSUSE-SU-2012:1532-1: moderate: lighttpd af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
openSUSE-SU-2014:0074-1: moderate: update for lighttpd to 1.4.32 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
'[security bulletin] HPSBGN03191 rev.1 - HP Remote Device Access: Virtual Customer Access System (vCA' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Support/Advisories/MGASA-2012-0345 - Mageia wiki af854a3a-2127-422b-91ae-364da2661108 wiki.mageia.org
lighttpd 1.4.31 Denial of Service PoC af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit
lighttpd Connection Header Processing Flaw Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Simple Lighttpd 1.4.31 Denial Of Service ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Support / Security / Advisories / / MDVSA-2013:100 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
oss-security - lighttpd 1.4.32 released, fixing CVE-2012-5533 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
osvdb.org/87623 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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