#VU81041 Improper Verification of Cryptographic Signature in Apple iOS and iPadOS - CVE-2023-41991

 

#VU81041 Improper Verification of Cryptographic Signature in Apple iOS and iPadOS - CVE-2023-41991

Published: September 21, 2023 / Updated: February 21, 2025


Vulnerability identifier: #VU81041
Vulnerability risk: High
CVSSv4.0: 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:A/U:Amber
CVE-ID: CVE-2023-41991
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Apple iOS
iPadOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a remote attacker application to bypass implemented security restrictions.

The vulnerability exists due to improper verification of cryptographic signature within the Security component. A remote attacker can create a specially crafted application that can bypass signature validation process, trick the victim into installing it and compromise the affected system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

External links