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CVE-2011-4362

This CVE name corresponds to:

Entered	Topic
2011-12-28	lighttpd -- remote DoS in HTTP authentication

The following information is adapted from the Common Vulnerabilities and Exposures (CVE) project. CVE and the CVE logo are trademarks of The MITRE Corporation. CVE content is Copyright 2005, The MITRE Corporation.

CVE-2011-4362 at cve.mitre.org

Details

Type	Candidate
Name	CVE-2011-4362
Phase	Assigned(20111104)

Description

Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.

References

Source	Reference
BUGTRAQ	20111224 Lighttpd Proof of Concept code for CVE-2011-4362
EXPLOIT-DB	18295
MLIST	[oss-security] 20111129 CVE Request: lighttpd/mod_auth out-of-bounds read due to signedness error
MLIST	[oss-security] 20111129 Re: CVE Request: lighttpd/mod_auth out-of-bounds read due to signedness error
MISC	http://blog.pi3.com.pl/?p=277
CONFIRM	http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
CONFIRM	http://redmine.lighttpd.net/issues/2370
CONFIRM	https://bugzilla.redhat.com/show_bug.cgi?id=758624
DEBIAN	DSA-2368
SECTRACK	1026359
SECUNIA	47260
XF	lighttpd-base64-dos(71536)