Buffer overflow in WPE WebKit and WebKitGTK+ - CVE-2019-8535
Published: December 3, 2019
Vulnerability identifier: #VU23366
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-8535
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 a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
WPE WebKit
WebKitGTK+
webkit2gtk (Alpine package)
Opensuse
WebKitGTK+
webkit2gtk (Alpine package)
Opensuse
How to mitigate CVE-2019-8535
Install updates from vendor's website.
WPE WebKit - update to 2.24.0
WebKitGTK+ - update to 2.24.0
webkit2gtk (Alpine package) - update to 2.24.2-r0
WebKitGTK+ - update to 2.24.0
webkit2gtk (Alpine package) - update to 2.24.2-r0