CVE-2007-3946

Description

mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.

6.4

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 3.05% Top 15%

Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory novell.com Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://secunia.com/advisories/26158	third party advisory vendor advisory
http://osvdb.org/38314	vdb entry
http://www.vupen.com/english/advisories/2007/2585	vdb entry
https://issues.rpath.com/browse/RPL-1550
http://secunia.com/advisories/26130	third party advisory patch
http://osvdb.org/38316	vdb entry
http://www.securityfocus.com/archive/1/474131/100/0/threaded	mailing list
http://www.securityfocus.com/bid/24967	vdb entry
http://osvdb.org/38317	vdb entry
http://secunia.com/advisories/26593	third party advisory
http://www.debian.org/security/2007/dsa-1362	vendor advisory
http://trac.lighttpd.net/trac/changeset/1875
http://security.gentoo.org/glsa/glsa-200708-11.xml	vendor advisory
http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
https://issues.rpath.com/browse/RPL-1554
http://www.novell.com/linux/security/advisories/2007_15_sr.html	vendor advisory
http://osvdb.org/38315	vdb entry
http://secunia.com/advisories/26505	third party advisory

Frequently Asked Questions

What is the severity of CVE-2007-3946?: CVE-2007-3946 has been scored as a medium severity vulnerability.
How to fix CVE-2007-3946?: To fix CVE-2007-3946, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-3946 being actively exploited in the wild?: It is possible that CVE-2007-3946 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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