Security restrictions bypass in Google Chrome - CVE-2018-18349

 

Security restrictions bypass in Google Chrome - CVE-2018-18349

Published: December 5, 2018


Vulnerability identifier: #VU16266
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18349
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to insufficient policy enforcement in Blink when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website and bypass security restrictions to conduct further attacks.

Affected software

Google Chrome
Arch Linux
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Opensuse
Fedora
chromium-browser (Debian package)
chromium

How to mitigate CVE-2018-18349

Update to version 71.0.3578.80.

Google Chrome - update to 71.0.3578.80
chromium-browser (Debian package) - update to 71.0.3578.80-1~deb9u1
chromium - addressed in versions 71.0.3578.98-1.fc28, 71.0.3578.98-1.fc29

External References

Related Security Bulletins