#VU65621 Out-of-bounds write


Published: 2022-07-21 | Updated: 2022-08-19

Vulnerability identifier: #VU65621

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2022-32792

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the B3 JIT compiler in WebKit. A remote attacker can trick the victim into opening a specially crafted webpage, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344 - 12.4 21F79


CPE

External links
http://support.apple.com/en-us/HT213345
http://bugs.webkit.org/show_bug.cgi?id=240720
http://www.zerodayinitiative.com/advisories/ZDI-22-1123/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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