CVE-2011-4362

lighttpd <1.4.30, <1.5 - DoS

Title source: llm
STIX 2.1

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by pi3 · textdoslinux
https://www.exploit-db.com/exploits/18295

References (13)

Core 13
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/47260
Broken Link mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/11/29/8
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=758624
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2011/dsa-2368
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/18295
Exploit, Third Party Advisory x_refsource_misc
http://blog.pi3.com.pl/?p=277
Exploit, Patch, Vendor Advisory x_refsource_confirm
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/11/29/13
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1026359
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/71536
Exploit, Patch, Vendor Advisory x_refsource_confirm
http://redmine.lighttpd.net/issues/2370
Third Party Advisory third-party-advisory x_refsource_jvn
http://jvn.jp/en/jp/JVN37417423/index.html

Scores

EPSS 0.0439
EPSS Percentile 89.1%

Details

Status published
Products (5)
debian/debian_linux 5.0
debian/debian_linux 6.0
debian/debian_linux 7.0
lighttpd/lighttpd 1.5.0
lighttpd/lighttpd 1.4.1 - 1.4.30
Published Dec 24, 2011
Tracked Since Feb 18, 2026