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CVE-2012-5533 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Evaluator Impact

Per: http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt " Affected versions ------------------- Only 1.4.31; on the other hand versions before 1.4.31 include the "invalid read" bug."

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch Patch 
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt Vendor 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://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
http://www.exploit-db.com/exploits/22902 Exploit 
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/56619 Exploit 
http://www.securitytracker.com/id?1027802
https://exchange.xforce.ibmcloud.com/vulnerabilities/80213
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-5533
NVD Published Date:
11/24/2012
NVD Last Modified:
08/28/2017
Source:
Red Hat, Inc.