Untrusted search path vulnerability in the installer in Mozilla Firefox before 17.0 and Firefox ESR 10.x before 10.0.11 on Windows allows local users to gain privileges via a Trojan horse DLL in the default downloads directory.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16991
https://exchange.xforce.ibmcloud.com/vulnerabilities/80176
https://bugzilla.mozilla.org/show_bug.cgi?id=792106
http://www.mozilla.org/security/announce/2012/mfsa2012-98.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html