Buffer overflow in Firefox ESR

#VU12578 Buffer overflow in Firefox ESR

Published: 2018-05-10

Vulnerability identifier: #VU12578

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2018-5178

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Firefox ESR
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to improper bounds checking during UTF8 to Unicode string conversion. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 52.8.

Vulnerable software versions

Firefox ESR: 52.7 - 52.7.2

CPE