Apple tvOS up to 13.4.8 WebKit cross site scripting

Summaryinfo

A vulnerability was found in Apple tvOS up to 13.4.8. It has been classified as problematic. Affected is an unknown function of the component WebKit. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2020-9952. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple tvOS up to 13.4.8 (Digital Media Player). It has been rated as problematic. This issue affects an unknown code block of the component WebKit. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity.

The weakness was shared 09/16/2020 by Ryan Pickren as HT211843 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-9952. 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. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. The advisory points out:

An input validation issue was addressed with improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 241427 (RHEL 7 : webkitgtk4 (RHSA-2025:10364)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 14.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (241427). The entries VDB-161360, VDB-161365, VDB-161366 and VDB-161367 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Digital Media Player

Vendor

• Apple

Name

• tvOS

Version

• 13.4.0
• 13.4.1
• 13.4.2
• 13.4.3
• 13.4.4
• 13.4.5
• 13.4.6
• 13.4.7
• 13.4.8

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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