(Pwn2Own) Mozilla Firefox Privileged Content Loading Remote Code Execution Vulnerability

April 11th, 2014
ZDI-14-081 ZDI-CAN-2214

CVE ID

CVE-2014-1510

CVSS Score

6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors

Mozilla

Affected Products

Firefox

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of WebIDL. The issue lies in the ability to bypass a security check. An attacker can leverage this vulnerability to execute code under the context of the current process.

Additional Details

Mozilla has issued an update to correct this vulnerability. More details can be found at:
http://www.mozilla.org/security/announce/2014/mfsa2014-29.html

Disclosure Timeline

  • 2014-03-12 - Vulnerability reported to vendor
  • 2014-04-11 - Coordinated public release of advisory

Credit

Mariusz Mlynski

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