A vulnerability has been found in Apple iOS and iPadOS up to 14.1 (Smartphone Operating System) and classified as problematic. Affected by this vulnerability is an unknown code of the component CallKit. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect confidentiality.

The weakness was released 11/05/2020 by Nick Tangri as HT211929 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2020-27925. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/06/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A user may answer two calls simultaneously without indication they have answered a second call

Upgrading to version 14.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An issue existed in the handling of incoming calls. The issue was addressed with additional state checks.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 14.0
• 14.1

License

• commercial

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