Buffer overflow in macOS - CVE-2023-42856
Published: October 25, 2023 / Updated: November 15, 2023
Vulnerability identifier: #VU82401
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2023-42856
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
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.
How to mitigate CVE-2023-42856
Install updates from vendor's website.
Sources
- https://support.apple.com/en-us/HT213983
- https://www.zerodayinitiative.com/advisories/ZDI-23-1605/
- https://www.zerodayinitiative.com/advisories/ZDI-23-1604/
- https://www.zerodayinitiative.com/advisories/ZDI-23-1603/
- https://www.zerodayinitiative.com/advisories/ZDI-23-1602/
- https://www.zerodayinitiative.com/advisories/ZDI-23-1601/