Apache Tomcat 5.5.0 through 5.5.29 and 6.0.0 through 6.0.26 might allow remote attackers to discover the server's hostname or IP address by sending a request for a resource that requires (1) BASIC or (2) DIGEST authentication, and then reading the realm field in the WWW-Authenticate header in the reply.
http://www.vupen.com/english/advisories/2010/3056
http://www.vupen.com/english/advisories/2010/0980
http://www.vmware.com/support/vsphere4/doc/vsp_vc41_u1_rel_notes.html
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.securityfocus.com/bid/39635
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.securityfocus.com/archive/1/510879/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2011-0897.html
http://www.redhat.com/support/errata/RHSA-2011-0896.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:177
http://www.mandriva.com/security/advisories?name=MDVSA-2010:176
http://www.debian.org/security/2011/dsa-2207
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-5.html
http://svn.apache.org/viewvc?view=revision&revision=936541
http://svn.apache.org/viewvc?view=revision&revision=936540
http://support.apple.com/kb/HT5002
http://secunia.com/advisories/57126
http://secunia.com/advisories/43310
http://secunia.com/advisories/42368
http://secunia.com/advisories/39574
http://marc.info/?l=bugtraq&m=139344343412337&w=2
http://marc.info/?l=bugtraq&m=136485229118404&w=2
http://marc.info/?l=bugtraq&m=133469267822771&w=2
http://marc.info/?l=bugtraq&m=129070310906557&w=2
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html