CVE-2023-40451: Use After Free

Published Sep 26, 2023
·
Updated

An attacker with JavaScript execution may be able to execute arbitrary code. This issue was addressed with improved iframe sandbox enforcement.

Reference: https://webkitgtk.org/security/WSA-2023-0009.html#CVE-2023-40451

Other sources

Safari. A window management issue was addressed with improved state management.

Apple

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 17. An attacker with JavaScript execution may be able to execute arbitrary code.

MITRE

WebKit. A correctness issue was addressed with improved checks.

Apple

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

Apple

WebKit. This issue was addressed by removing the vulnerable code.

Apple

Credit

Anonymous, Dong Jun Kim@@smlijun(AbyssLab), Jong Seong Kim@@nevul37(AbyssLab), Francisco Alonso@@revskills(PK Security), (PK Security), Dohyun Lee@@l33d0hyun(PK Security), Francisco Alonso@@revskills, 이준성(Junsung Lee)(Cross Republic), an anonymous researcher, Jie Ding@@Lime(HKUS3 Lab), zhunki, 이준성(Junsung Lee), Bill Marczak(The Citizen Lab at The University of Toronto's Munk School), Maddie Stone(Google's Threat Analysis Group), Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune (India)

Affected Software

2 affected componentsFixes available
Safari<17
17
Safari<17.0

Event History

Sep 26, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Sep 29, 2023
Data Sourced
via Red Hat·06:08 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this issue in WebKit?

The vulnerability ID for this issue in WebKit is CVE-2023-40451.

2

How was this issue addressed?

This issue was addressed with improved iframe sandbox enforcement.

3

Which software is affected by this vulnerability?

The Apple Safari browser version up to but excluding 17 is affected by this vulnerability.

4

How can I fix this vulnerability?

To fix this vulnerability, update your Apple Safari browser to version 17 or newer.

5

Where can I find more information about this vulnerability?

More information about this vulnerability can be found on Apple's support page: https://support.apple.com/en-us/HT213941

Contact

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