Apple iOS up to 12.1 Profiles certificate validation

Summaryinfo

A vulnerability was found in Apple iOS up to 12.1. It has been classified as critical. The affected element is an unknown function of the component Profiles. This manipulation causes certificate validation. This vulnerability appears as CVE-2018-4436. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iOS up to 12.1 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Profiles. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A certificate validation issue existed in configuration profiles. This was addressed with additional checks. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2.

The bug was discovered 12/05/2018. The weakness was presented 12/05/2018 by James Seeley and Joseph S. as HT209340 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2018-4436 since 01/02/2018. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/18/2020). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1587.003 for this issue. The advisory points out:

A certificate validation issue existed in configuration profiles. This was addressed with additional checks.

The vulnerability scanner Nessus provides a plugin with the ID 119839 (Apple TV < 12.1.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading to version 12.1.1 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 (119839). See VDB-127582, VDB-127563, VDB-127564 and VDB-127565 for similar entries. 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

Version

• 12.0
• 12.1

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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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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