Vulnerability identifier: #VU50021
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to cross-origin information leak when processing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it and gain access to sensitive information via redirected PDF requests, when said information is served as chunked data.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 60.0 - 84.0.2
Firefox ESR: 78.0 - 78.6.1, 68.0 - 68.12.0, 60.0 - 60.9.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?