#VU30528 Input validation error in tvOS


Published: 2019-12-18 | Updated: 2020-07-17

Vulnerability identifier: #VU30528

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-8698

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
tvOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local non-authenticated attacker to perform service disruption.

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in iOS 12.4, tvOS 12.4. A malicious application may be able to restrict access to websites.

Mitigation
Install update from vendor's website.

Vulnerable software versions

tvOS: 12.0 - 12.3


External links
http://support.apple.com/HT210346
http://support.apple.com/HT210351


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability