Apple iOS up to 11.4.1 State Management input validation

Summaryinfo

A vulnerability was found in Apple iOS up to 11.4.1. It has been classified as critical. This affects an unknown function of the component State Management. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2018-4307. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iOS up to 11.4.1 (Smartphone Operating System). It has been rated as critical. This issue affects an unknown code block of the component State Management. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A logic issue was addressed with improved state management. This issue affected versions prior to iOS 12, Safari 12.

The bug was discovered 09/17/2018. The weakness was disclosed 04/03/2019. The identification of this vulnerability is CVE-2018-4307 since 01/02/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 08/21/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 117617 (macOS : Apple Safari < 12 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371206 (Apple Safari 12 Not Installed (APPLE-SA-2018-9-17-4)).

Upgrading to version 12.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (117617). The entries VDB-132759, VDB-132854, VDB-132785 and VDB-132903 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS

Version

• 11.4.0
• 11.4.1

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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