mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP authentication string without a colon character, as demonstrated by a string containing a NULL and new line character.
https://kc.mcafee.com/corporate/index?page=content&id=SB10310
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375
http://www.securitytracker.com/id/1032405
http://www.securityfocus.com/bid/74813
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://redmine.lighttpd.net/issues/2646
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163286.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163223.html