Mozilla location bar SSL spoofing using network error page (MFSA 2010-83)

The NSSecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle 1 about:neterror and 2 about:certerror pages, which allows remote attackers to spoof the location bar via a crafted...