Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 do not properly restrict read access to the statusText property of XMLHttpRequest objects, which allows remote attackers to discover the existence of intranet web servers via cross-origin requests.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11684
https://exchange.xforce.ibmcloud.com/vulnerabilities/61662
https://bugzilla.mozilla.org/show_bug.cgi?id=552090
http://www.vupen.com/english/advisories/2011/0061
http://www.vupen.com/english/advisories/2010/2323
http://www.securityfocus.com/bid/43104
http://www.mozilla.org/security/announce/2010/mfsa2010-63.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:173
http://support.avaya.com/css/P8/documents/100112690
http://secunia.com/advisories/42867
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047282.html
http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox