A vulnerability, which was classified as critical, was found in Apple iOS and iPadOS up to 13.3.1 (Smartphone Operating System). This affects an unknown part of the component WebKit. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 03/24/2020 by Brendan Draper with Zero Day Initiative as HT211102 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2020-3897. It is possible to initiate the attack remotely. No form of authentication is needed for 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 04/02/2020). 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 13.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 152531, 152549, 152556 and 152561 are related to this item.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 13.3.0
• 13.3.1

License

• commercial

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