CVE-2020-9951: Use After Free

Published Sep 16, 2020
·
Updated

A flaw was found in WebKitGTK. An use after free issue was addressed with improved memory management. Processing maliciously crafted web content may lead to arbitrary code execution.

Reference: https://webkitgtk.org/security/WSA-2020-0008.html

Other sources

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

Launchpad

Apple Safari could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WebKit component. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

IBM

WebKit. A use after free issue was addressed with improved memory management.

Credit

cc(Trend Micro Zero Day Initiative), Marcin 'Icewall' Noga(Cisco Talos), an anonymous researcher

Affected Software

22 affected componentsFixes available
debian/webkit2gtk
2.44.2-1~deb11u12.44.3-1~deb11u12.44.2-1~deb12u12.44.3-1~deb12u12.44.3-12.44.4-1
debian/wpewebkit
2.38.6-1~deb11u12.38.6-12.44.3-12.44.4-1
Apple tvOS<14.0
14.0
Apple WatchOS<7.0
7.0
Apple iCloud for Windows<11.5
11.5
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
Apple iTunes for Windows<12.10.9
12.10.9
Apple Safari<14.0
14.0
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple Icloud Windows<11.5
Apple Itunes Windows<12.10.9
Apple Safari<14.0
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple tvOS<14.0
Apple WatchOS<7.0
WebKit Webkitgtk\+<=2.30.3
Debian Debian Linux=10.0
redhat/webkitgtk<2.30.0
2.30.0

Event History

Oct 16, 2020
CVE Published
via MITRE·04:53 PM
Data Sourced
via MITRE·04:53 PM
DescriptionWeakness
Nov 24, 2020
Data Sourced
via Red Hat·06:29 PM
DescriptionSeverityAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:53 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·01:20 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-9951?

CVE-2020-9951 is a vulnerability in WebKit that allows for a use after free issue.

2

Which software is affected by CVE-2020-9951?

CVE-2020-9951 affects Apple iTunes for Windows (up to version 12.10.9), Apple iCloud for Windows (up to version 11.5), Apple watchOS (up to version 7.0), Apple iOS (up to version 14.0), Apple iPadOS (up to version 14.0), Apple Safari (up to version 14.0), and Apple tvOS (up to version 14.0).

3

How can I fix CVE-2020-9951?

To fix CVE-2020-9951, make sure to update your affected software to the recommended versions provided by Apple.

4

Where can I find more information about CVE-2020-9951?

You can find more information about CVE-2020-9951 on the official Apple support page.

5

What is the severity of CVE-2020-9951?

The severity of CVE-2020-9951 is not specified.

Contact

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