Buffer overflow in macOS - CVE-2023-42856

 

Buffer overflow in macOS - CVE-2023-42856

Published: October 25, 2023 / Updated: November 15, 2023


Vulnerability identifier: #VU82401
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-42856
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Hydra framework when processing ABC image. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

macOS

How to mitigate CVE-2023-42856

Install updates from vendor's website.

macOS - addressed in versions 12.7.1 21G920, 13.6.1 22G313, 14.1 23B74

External References

Related Security Bulletins