Use-after-free error in Mozilla Firefox - CVE-2018-5148

 

Use-after-free error in Mozilla Firefox - CVE-2018-5148

Published: March 26, 2018 / Updated: March 27, 2018


Vulnerability identifier: #VU11278
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-5148
CWE-ID: CWE-416
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 execute arbitrary code on the target system.

The vulnerability exists due to use-after-free in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. A remote can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-5148

Update to version 59.0.2.

Sources