A vulnerability has been found in Apple iOS and iPadOS (Smartphone Operating System) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A certificate validation issue was addressed. This issue is fixed in iOS 16.7 and iPadOS 16.7, OS 17.0.1 and iPadOS 17.0.1, watchOS 9.6.3, macOS Ventura 13.6, watchOS 10.0.1. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

The weakness was published 09/21/2023. The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2023-41991 since 09/06/2023. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/29/2024). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1587.003.

It is declared as highly functional. This issue was added on 09/25/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 10/16/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-240161, VDB-240162, VDB-240163 and VDB-240164.

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• Smartphone Operating System

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• Apple

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• iOS
• iPadOS

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• commercial

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