Mozilla Firefox PDF Viewer Same-Origin Bypass Vulnerability
RISK: High Risk
TYPE: Clients - Browsers
A vulnerability was identified in Mozilla Firefox. A remote user can obtain files from the target user's system.
A remote user can create specially crafted content that, when loaded by the target user, will bypass same-origin policy and inject arbitrary JavaScript into the built-in PDF Viewer in the local file context and gain access to files on the target user's system with the privileges of the target user.
NOTE: This vulnerability is being actively exploited.
Impact
- Security Restriction Bypass
System / Technologies affected
- prior to 39.0.3
Solutions
Before installation of the software, please visit the software manufacturer web-site for more details.
- The vendor has issued a fix (39.0.3, ESR 38.1.1).
Vulnerability Identifier
Source
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