Use-after-free error in Google Chrome - CVE-2018-6155

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Main Vulnerability Database Vulnerabilities #VU14034

Use-after-free error in Google Chrome - CVE-2018-6155

Published: July 27, 2018 / Updated: May 18, 2020


Vulnerability identifier: #VU14034
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-2018-6155
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

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

The weakness exists due to use-after-free error in WebRTC when handling malicious input. 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.

Affected software

Google Chrome
Debian Linux
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Fedora
SUSE Linux
Opensuse
chromium

How to mitigate CVE-2018-6155

Update to version 68.0.3440.75.

Google Chrome - update to 68.0.3440.75
chromium - addressed in versions 68.0.3440.106-3.el7, 68.0.3440.106-3.fc27, 68.0.3440.106-3.fc28

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins