Apple Safari up to 11.0 input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Safari up to 11.0. This vulnerability affects unknown code. The manipulation results in input validation. This vulnerability is reported as CVE-2018-4213. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Apple Safari up to 11.0 (Web Browser). Affected is an unknown part. 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 confidentiality, integrity, and availability. CVE summarizes:

In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.

The bug was discovered 03/29/2018. The weakness was disclosed 12/02/2018 (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2018-4213 since 01/02/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 248 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 119323 (GLSA-201812-04 : WebkitGTK+: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197266 (Ubuntu Security Notification for Webkit2gtk Vulnerabilities (USN-3781-1)).

Upgrading to version 11.1 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 (119323). The entries VDB-129059, VDB-129108, VDB-129109 and VDB-129110 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119323
Nessus Name: GLSA-201812-04 : WebkitGTK+: 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: Safari 11.1

Timelineinfo

01/02/2018 🔍
03/29/2018 +86 days 🔍
12/02/2018 +248 days 🔍
12/02/2018 +0 days 🔍
12/03/2018 +1 days 🔍
01/11/2019 +39 days 🔍
01/12/2019 +1 days 🔍
06/26/2023 +1626 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: USN-3781-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4213 (🔍)
GCVE (CVE): GCVE-0-2018-4213
GCVE (VulDB): GCVE-100-129132
See also: 🔍

Entryinfo

Created: 01/12/2019 12:59
Updated: 06/26/2023 14:56
Changes: 01/12/2019 12:59 (71), 04/29/2020 09:19 (3), 06/26/2023 14:56 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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