A vulnerability classified as problematic was found in Apple iOS and iPadOS up to 14.4.2 (Smartphone Operating System). Affected by this vulnerability is some unknown processing of the component GPU Drivers. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was published 04/26/2021 by Justin Sherman as HT212317 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2021-30656. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/30/2021). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

A malicious application may be able to determine kernel memory layout

Upgrading to version 14.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An access issue was addressed with improved memory management.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 14.4.0
• 14.4.1
• 14.4.2

License

• commercial

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CPE 2.2info

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