Use-after-free in WPE WebKit and WebKitGTK+ - CVE-2019-7285

Vulnerability identifier: #VU23357

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-2019-7285

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing maliciously crafted web content. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

WPE WebKit
WebKitGTK+
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Opensuse
webkitgtk4 (Red Hat package)

Install updates from vendor's website.

WPE WebKit - update to 2.22.4
WebKitGTK+ - update to 2.22.6
webkitgtk4 (Red Hat package) - update to 2.22.7-2.el7

• https://webkitgtk.org/security/WSA-2019-0002.html

• Use-after-free in WebKitGTK WebKitGTK+
• OpenSUSE Linux update for webkit2gtk3
• OpenSUSE Linux update for webkit2gtk3
• Red Hat Enterprise Linux 7 update for webkitgtk4