What is the vulnerability ID?

The vulnerability ID is CVE-2020-13543.

What is the severity of CVE-2020-13543?

The severity of CVE-2020-13543 is high with a CVSS score of 8.8.

Which software is affected by CVE-2020-13543?

IBM Cloud Pak for Security (CP4S) version up to 1.7.2.0 and WebKitGTK version 2.30.0 are affected by CVE-2020-13543.

How does CVE-2020-13543 work?

CVE-2020-13543 is a code execution vulnerability that occurs in the WebSocket functionality of WebKit WebKitGTK due to a use-after-free issue. An attacker can exploit this vulnerability by convincing a user to visit a malicious website.

Are there any references for CVE-2020-13543?

Yes, you can find references for CVE-2020-13543 at the following links: IBM X-Force Exchange - https://exchange.xforce.ibmcloud.com/vulnerabilities/192461, IBM Support Page - https://www.ibm.com/support/pages/node/6493729, Gentoo Security Advisory - https://security.gentoo.org/glsa/202012-10.

Vulnerability/
CVE-2020-13543

high

8.8

CWE

416

3/12/2020

10/5/2022

CVE-2020-13543: Use After Free

First published: Thu Dec 03 2020(Updated: )

Webkit WebKitGTK could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WebSocket functionality. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code or cause the application to crash.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
IBM Cloud Pak for Security (CP4S)	<=1.7.2.0
IBM Cloud Pak for Security (CP4S)	<=1.7.1.0
IBM Cloud Pak for Security (CP4S)	<=1.7.0.0
WebKitGTK WebKitGTK	=2.30.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-6493729

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2020-13543.
What is the severity of CVE-2020-13543?
The severity of CVE-2020-13543 is high with a CVSS score of 8.8.
Which software is affected by CVE-2020-13543?
IBM Cloud Pak for Security (CP4S) version up to 1.7.2.0 and WebKitGTK version 2.30.0 are affected by CVE-2020-13543.
How does CVE-2020-13543 work?
CVE-2020-13543 is a code execution vulnerability that occurs in the WebSocket functionality of WebKit WebKitGTK due to a use-after-free issue. An attacker can exploit this vulnerability by convincing a user to visit a malicious website.
Are there any references for CVE-2020-13543?
Yes, you can find references for CVE-2020-13543 at the following links: IBM X-Force Exchange - https://exchange.xforce.ibmcloud.com/vulnerabilities/192461, IBM Support Page - https://www.ibm.com/support/pages/node/6493729, Gentoo Security Advisory - https://security.gentoo.org/glsa/202012-10.

collector/ibm-support
collector/nvd-index
vendor/ibm
canonical/ibm cloud pak for security (cp4s)
version/ibm cloud pak for security (cp4s)/1.7.2.0
version/ibm cloud pak for security (cp4s)/1.7.1.0
version/ibm cloud pak for security (cp4s)/1.7.0.0
vendor/webkitgtk
canonical/webkitgtk webkitgtk
version/webkitgtk webkitgtk/2.30.0

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