Apple macOS up to 10.13.1 Kernel information disclosure

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 10.13.1. This affects an unknown function of the component Kernel. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2017-13840. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.13.1 (Operating System). This affects an unknown functionality of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.

The bug was discovered 10/31/2017. The weakness was presented 10/31/2017 as HT208221 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13840 since 08/30/2017. Attacking locally is a requirement. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

A validation issue was addressed with improved input sanitization.

The vulnerability scanner Nessus provides a plugin with the ID 103598 (macOS < 10.13 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 370625 (Apple macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan Not Installed).

Upgrading to version 10.13.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103598) and SecurityFocus (BID 91816†). See VDB-89669, VDB-89849, VDB-98603 and VDB-99763 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for 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: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103598
Nessus Name: macOS < 10.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 861083
OpenVAS Name: Apple MacOSX Multiple Code Execution Vulnerabilities HT208221
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.13.1

Timelineinfo

07/18/2016 🔍
08/30/2017 +408 days 🔍
10/03/2017 +34 days 🔍
10/31/2017 +28 days 🔍
10/31/2017 +0 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
11/12/2017 +9 days 🔍
09/05/2024 +2489 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: Scott Geary
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13840 (🔍)
GCVE (CVE): GCVE-0-2017-13840
GCVE (VulDB): GCVE-100-108963
SecurityFocus: 91816
SecurityTracker: 1039710

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

Entryinfo

Created: 11/03/2017 15:16
Updated: 09/05/2024 13:59
Changes: 11/03/2017 15:16 (76), 12/03/2019 11:41 (4), 01/22/2021 07:49 (2), 01/22/2021 07:55 (3), 09/05/2024 13:59 (17)
Complete: 🔍
Cache ID: 216::103

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