Improper Input Validation Affecting webkit2gtk3 package, versions <0:2.30.4-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.66% (89th percentile)

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  • Snyk IDSNYK-RHEL8-WEBKIT2GTK3-1473075
  • published26 Jul 2021
  • disclosed30 Nov 2020

Introduced: 30 Nov 2020

CVE-2020-13543  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 webkit2gtk3 to version 0:2.30.4-1.el8 or higher.
This issue was patched in RHSA-2021:1586.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3 package and not the webkit2gtk3 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

CVSS Scores

version 3.1