Integer overflow in Mozilla Firefox - CVE-2018-5122

 

Integer overflow in Mozilla Firefox - CVE-2018-5122

Published: January 24, 2018


Vulnerability identifier: #VU10169
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-2018-5122
CWE-ID: CWE-190
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 weakness exists due to integer overflow in the DoCrypt function of WebCrypto. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2018-5122

Update to version 58.0.

Sources