Memory corruption in Mozilla Firefox - CVE-2018-5186

 

Memory corruption in Mozilla Firefox - CVE-2018-5186

Published: June 27, 2018


Vulnerability identifier: #VU13493
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2018-5186
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to boundary error when handling malicious input. A remote unauthenticated attacker 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.


Affected software

Mozilla Firefox
Arch Linux
Gentoo Linux

How to mitigate CVE-2018-5186

Update to version 61.0.

Mozilla Firefox - update to 61.0

External References

Related Security Bulletins