Apple iOS up to 11.3.1 WebKit input validation

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS up to 11.3.1. This affects an unknown function of the component WebKit. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2018-4188. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS up to 11.3.1 (Smartphone Operating System) and classified as critical. This vulnerability affects an unknown part of the component WebKit. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, and integrity.

The bug was discovered 06/01/2018. The weakness was released 05/29/2018 as HT208848 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2018-4188 since 01/02/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/21/2023). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An inconsistent user interface issue was addressed with improved state management.

The vulnerability scanner Nessus provides a plugin with the ID 110384 (Apple iTunes < 12.7.5 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370984 (Apple iCloud for Windows Prior to 7.5 Multiple Vulnerabilities(HT208853)).

Upgrading to version 11.4 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 (110384). Entries connected to this vulnerability are available at VDB-118648, VDB-118652, VDB-118657 and VDB-118659. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS

Version

• 11.3.0
• 11.3.1

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion