Privilege escalation using WebIDL-implemented APIs
- March 18, 2014
- Mariusz Mlynski
- Firefox, Firefox ESR, SeaMonkey, Thunderbird
- Fixed in
- Firefox 28
- Firefox ESR 24.4
- SeaMonkey 2.25
- Thunderbird 24.4
Security researcher Mariusz Mlynski, via TippingPoint's
Pwn2Own contest, reported that it is possible for untrusted web content to load
window.open(). A second bug allowed the bypassing of the
popup-blocker without user interaction. Combined these two bugs allow an
the browser, which allows arbitrary code execution.
In general this flaw cannot be exploited through email in the Thunderbird and Seamonkey products because scripting is disabled, but is potentially a risk in browser or browser-like contexts.