Use After Free in Webkitgtk
CVE-2020-13543
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.
Vulnerability class: Use-After-Free
EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Webkitgtk — versions 2.30.0
- N/a Webkit — versions Webkit WebKitGTK 2.30.0
Weakness classification (CWE)
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- talos-cna@cisco.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- talos-cna@cisco.com (Third Party Advisory, x_refsource_MISC, Not Applicable)
Frequently asked questions
- What is CVE-2020-13543?
- CVE-2020-13543 is a high-severity vulnerability in Webkitgtk, classified under Use After Free. CVSS score: 8.8/10. Published 2020-12-03.
- How severe is CVE-2020-13543?
- High severity. CVSS v3 base score is 8.8 out of 10.