Apple macOS up to 10.13 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 10.13. Affected is an unknown function. The manipulation leads to input validation. This vulnerability is documented as CVE-2018-4338. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.13 (Operating System) and classified as problematic. This issue affects an unknown functionality. 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. The summary by CVE is:

A validation issue was addressed with improved input sanitization. This issue affected versions prior to macOS Mojave 10.14.

The bug was discovered 09/17/2018. The weakness was released 04/03/2019. The identification of this vulnerability is CVE-2018-4338 since 01/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 118178 (macOS < 10.14 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 371218 (Apple macOS Mojave 10.14 Not Installed (APPLE-SA-2018-9-24-1)).

Upgrading to version 10.14 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 databases at Tenable (118178) and SecurityFocus (BID 85054†). Entries connected to this vulnerability are available at VDB-81410, VDB-81411, VDB-81412 and VDB-81413. Be aware that VulDB is the high quality 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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118178
Nessus Name: macOS < 10.14 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: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.14

Timelineinfo

03/21/2016 🔍
01/02/2018 +652 days 🔍
09/17/2018 +258 days 🔍
09/24/2018 +7 days 🔍
10/18/2018 +24 days 🔍
04/03/2019 +167 days 🔍
04/04/2019 +1 days 🔍
10/12/2024 +2018 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Not defined

CVE: CVE-2018-4338 (🔍)
GCVE (CVE): GCVE-0-2018-4338
GCVE (VulDB): GCVE-100-132791
SecurityFocus: 85054 - Apple Mac OS X Server APPLE-SA-2016-03-21-7 Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 04/04/2019 10:12
Updated: 10/12/2024 14:03
Changes: 04/04/2019 10:12 (68), 05/25/2020 06:59 (3), 08/22/2023 08:26 (4), 10/12/2024 14:03 (17)
Complete: 🔍
Cache ID: 216::103

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

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