Information disclosure in Mozilla Firefox - CVE-2018-5119

 

Information disclosure in Mozilla Firefox - CVE-2018-5119

Published: January 24, 2018


Vulnerability identifier: #VU10188
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5119
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to the displaying of cross-origin content when CORS headers are set to prohibit the loading of cross-origin content by a site. A remote attacker can bypass cross-origin content restrictions in Reader view and gain access to content that should be restricted in reader view.

How to mitigate CVE-2018-5119

Update to version 58.0.

Sources