A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 14.1 (Smartphone Operating System). This issue affects some unknown functionality of the component Audio. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 11/05/2020 by JunDong Xie and XingWei Lin as HT211929 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-27910. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price 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:

Processing a maliciously crafted audio file may lead to arbitrary code execution

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 out-of-bounds read was addressed with improved input validation.

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Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 14.0
• 14.1

License

• commercial

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