Apple iOS/iPadOS up to 13.3.1 Mail Attachments input validation

Summaryinfo

A vulnerability has been found in Apple iOS and iPadOS up to 13.3.1 and classified as problematic. Impacted is an unknown function of the component Mail Attachments. This manipulation causes input validation. This vulnerability is registered as CVE-2020-9777. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 13.3.1 (Smartphone Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Mail Attachments. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue existed in the selection of video file by Mail. The issue was fixed by selecting the latest version of a video. This issue is fixed in iOS 13.4 and iPadOS 13.4. Cropped videos may not be shared properly via Mail.

The weakness was published 03/24/2020 as HT211102 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2020-9777. 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 04/02/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An issue existed in the selection of video file by Mail. The issue was fixed by selecting the latest version of a video.

Upgrading to version 13.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-152561, VDB-152562, VDB-152563 and VDB-152564. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 13.3.0
• 13.3.1

License

• commercial

Website

• Vendor: https://www.apple.com/

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Entryinfo

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