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CVE-2011-4362

Published: 24 December 2011

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.

Priority

Medium

Status

Package Release Status
lighttpd
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid
Released (1.4.26-1.1ubuntu3.1)
maverick
Released (1.4.26-3ubuntu2.1)
natty
Released (1.4.28-2ubuntu1.1)
oneiric
Released (1.4.28-2ubuntu2.1)
upstream
Released (1.4.30)
Patches:
upstream: http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
debdiff: https://launchpad.net/bugs/906792