Apple iOS/iPadOS up to 13.4.1 Messages privileges management

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 13.4.1. Impacted is an unknown function of the component Messages. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2020-9823. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS and iPadOS up to 13.4.1 (Smartphone Operating System). This issue affects an unknown functionality of the component Messages. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

This issue was addressed with improved checks. This issue is fixed in iOS 13.5 and iPadOS 13.5. Users removed from an iMessage conversation may still be able to alter state.

The weakness was published 05/20/2020 by Suryansh Mansharamani as HT211168 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-9823. 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 05/30/2020). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

This issue was addressed with improved checks.

Upgrading to version 13.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-155738, VDB-155739, VDB-155740 and VDB-155741. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS

Version

• 13.4.0
• 13.4.1

License

• commercial

Website

• Vendor: https://www.apple.com/

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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