#VU50043 Business Logic Errors


Published: 2021-01-27 | Updated: 2021-03-23

Vulnerability identifier: #VU50043

Vulnerability risk: Critical

CVSSv3.1:

CVE-ID: CVE-2021-1870

CWE-ID: CWE-840

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WPE WebKit
Server applications / Frameworks for developing and running applications
WebKitGTK+
Server applications / Frameworks for developing and running applications

Vendor: WPE WebKit
WebKitGTK

Description

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

The vulnerability exists due to a logic issue in the WebKit component. A remote attacker can trick a victim to visit a malicious website and execute arbitrary code on the system.

Note: The vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WPE WebKit: 2.27.91 - 2.31.90

WebKitGTK+: 2.5.2a - 2.31.90


CPE

External links
http://support.apple.com/en-us/HT212146
http://webkitgtk.org/security/WSA-2021-0002.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability