Memory leak in Mozilla Firefox - CVE-2018-5152

 

Memory leak in Mozilla Firefox - CVE-2018-5152

Published: May 10, 2018


Vulnerability identifier: #VU12536
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5152
CWE-ID: CWE-401
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 WebExtensions with the appropriate permissions can attach content scripts to Mozilla sites such as accounts.firefox.com and listen to network traffic to the site through the webRequest API. A remote attacker can intercept username and an encrypted password during login to Firefox Accounts.

How to mitigate CVE-2018-5152

Update to version 60.0.

Sources