Heap-based buffer overflow in Google Chrome - CVE-2018-6126

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Main Vulnerability Database Vulnerabilities #VU13074

Heap-based buffer overflow in Google Chrome - CVE-2018-6126

Published: May 31, 2018 / Updated: June 6, 2021


Vulnerability identifier: #VU13074
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-2018-6126
CWE-ID: CWE-122
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 weakness exists due to heap-based buffer overflow in Skia 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 privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Affected software

Google Chrome
Firefox ESR
Mozilla Firefox
Gentoo Linux
Arch Linux
Debian Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Fedora
SUSE Linux
Opensuse
openSUSE Leap
firefox-esr (Alpine package)
chromium

How to mitigate CVE-2018-6126

Update to version 67.0.3396.62.

Google Chrome - update to 67.0.3396.62
firefox-esr (Alpine package) - update to 52.8.1-r0
chromium - addressed in versions 67.0.3396.79-1.el7, 67.0.3396.79-1.fc27, 67.0.3396.79-1.fc28

External References

Related Security Bulletins