A vulnerability was found in Apple iOS and iPadOS up to 13.3.0 (Smartphone Operating System) and classified as critical. This issue affects an unknown part of the component Kernel. The manipulation with an unknown input leads to a type confusion vulnerability. Using CWE to declare the problem leads to CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. Impacted is confidentiality, integrity, and availability.

The weakness was shared 01/28/2020 by Brandon Azad with Google Project Zero as HT210918 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-3853. 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 02/28/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A type confusion issue was addressed with improved memory handling.

Upgrading to version 13.3.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 150577, 150603, 150616 and 150617 are related to this item.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 13.0
• 13.1
• 13.2
• 13.3

License

• commercial

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