Apple iOS up to 11.3.1 UIKit input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple iOS up to 11.3.1. The impacted element is an unknown function of the component UIKit. Performing a manipulation results in input validation. This vulnerability is known as CVE-2018-4198. Attacking locally is a requirement. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 11.3.1 (Smartphone Operating System). This affects some unknown functionality of the component UIKit. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The bug was discovered 05/29/2018. The weakness was published 05/29/2018 as HT208848 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2018-4198 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

A validation issue existed in the handling of text. This issue was addressed with improved validation of text.

The vulnerability scanner Nessus provides a plugin with the ID 110324 (macOS 10.13.x < 10.13.5 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 c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370985 (Apple macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan Not Installed).

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 (110324). Similar entries are available at VDB-118642, VDB-118643, VDB-118645 and VDB-118647. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110324
Nessus Name: macOS 10.13.x < 10.13.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 11.4

Timelineinfo

01/02/2018 🔍
05/29/2018 +147 days 🔍
05/29/2018 +0 days 🔍
05/29/2018 +0 days 🔍
06/03/2018 +5 days 🔍
06/05/2018 +2 days 🔍
06/08/2018 +3 days 🔍
07/26/2024 +2240 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208848
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4198 (🔍)
GCVE (CVE): GCVE-0-2018-4198
GCVE (VulDB): GCVE-100-118785
SecurityTracker: 1041027

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 06/03/2018 14:55
Updated: 07/26/2024 23:28
Changes: 06/03/2018 14:55 (65), 02/13/2020 08:16 (11), 03/21/2023 08:05 (5), 07/26/2024 23:28 (16)
Complete: 🔍
Cache ID: 216:552:103

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

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