CVE-2022-22620: Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability

Published Feb 10, 2022
·
Updated

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Other sources

A use after free when processing maliciously crafted web content may lead to arbitrary code execution.

Reference:

https://webkitgtk.org/security/WSA-2022-0003.html

Red Hat

Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA

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

Credit

an anonymous researcher, an anonymous researcher, an anonymous researcher

Affected Software

10 affected componentsFixes available
Apple macOS Monterey<12.2.1
12.2.1
Apple iOS, iPadOS, and macOS
Apple Safari<15.3
15.3
Apple iOS<15.3.1
15.3.1
Apple iPadOS<15.3.1
15.3.1
Apple Safari<15.3
Apple iPadOS<15.3.1
Apple iPhone OS<15.3.1
Apple macOS>=12.0.0<12.2.1
redhat/webkit2gtk3<2.34.6
2.34.6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade macOS to a version that resolves this vulnerability.

    Fixed in 12.2.1
  2. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 15.3
  3. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 15.3.1
  4. Upgrade

    Upgrade Apple iOS, iPadOS, and macOS to a version that resolves this vulnerability.

    Fixed in 15.3.1
  5. Upgrade

    Upgrade redhat/webkit2gtk3 to a version that resolves this vulnerability.

    Fixed in 2.34.6

Event History

Feb 11, 2022
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Feb 21, 2022
Data Sourced
via Red Hat·10:34 AM
DescriptionSeverityAffected Software
Mar 18, 2022
CVE Published
via MITRE·05:59 PM
Data Sourced
via MITRE·05:59 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2022-22620?

CVE-2022-22620 is a remote code execution vulnerability in Apple Webkit that affects iOS, iPadOS, and macOS.

2

Which software is affected by CVE-2022-22620?

CVE-2022-22620 affects Apple Webkit, iOS, iPadOS, macOS Monterey, and Safari.

3

What is the severity of CVE-2022-22620?

The severity of CVE-2022-22620 is not mentioned in the provided information.

4

How can I fix CVE-2022-22620?

To fix CVE-2022-22620, it is recommended to update to the latest version of Apple Webkit, iOS, iPadOS, macOS Monterey, and Safari.

5

Where can I find more information about CVE-2022-22620?

More information about CVE-2022-22620 can be found in the references provided: [Reference 1](https://support.apple.com/en-us/HT213093), [Reference 2](https://support.apple.com/en-us/HT213092), [Reference 3](https://support.apple.com/en-us/HT213091).

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