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Mozilla Firefox Cached XUL Stylesheets Security Bypass Vulnerability

oval:org.mitre.oval:def:8431

The CSSLoaderImpl::DoSheetComplete function in layout/style/nsCSSLoader.cpp in Mozilla Firefox 3.0.x before 3.0.18 3.5.x before 3.5.8 and 3.6.x before 3.6.2; Thunderbird before 3.0.2; and SeaMonkey before 2.0.3 changes the case of certain strings in a stylesheet before adding this stylesheet to the XUL cache which might allow remote attackers to modify the browser's font and other CSS attributes and potentially disrupt rendering of a web page by forcing the browser to perform this erroneous stylesheet caching.

Family:
windows
Status:
ACCEPTED
Platform(s):
  • Microsoft Windows XP
  • Microsoft Windows 2000
  • Microsoft Windows Vista
  • Microsoft Windows 7
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2003
Class:
vulnerability
Reference(s):
  • CVE-2010-0169
Product(s):
  • Mozilla SeaMonkey
  • Mozilla Thunderbird
  • Mozilla Firefox