Apple macOS up to 10.14.0 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.14.0 and classified as critical. Affected is an unknown function of the component Kernel. The manipulation results in memory corruption. This vulnerability is reported as CVE-2018-4286. The attack can be launched remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.14.0 (Operating System). It has been classified as critical. Affected is an unknown code of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.13.6.

The bug was discovered 10/30/2018. The weakness was disclosed 10/29/2018 by Kevin Backhouse with Semmle as HT209193 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2018-4286 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. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 118573 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-005)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371291 (Apple macOS Mojave 10.14.1, Security Update 2018-002 High Sierra, Security Update 2018-005 Sierra Not Installed (HT209193)).

Upgrading to version 10.14.1 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 (118573). The entries VDB-126195, VDB-126166, VDB-126170 and VDB-126172 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.7
VulDB Meta Temp Score: 9.2

VulDB Base Score: 9.6
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118573
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-005)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.14.1

Timelineinfo

01/02/2018 🔍
10/29/2018 +300 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +0 days 🔍
10/31/2018 +1 days 🔍
10/31/2018 +0 days 🔍
07/24/2024 +2093 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209193
Researcher: Kevin Backhouse
Organization: Semmle
Status: Confirmed

CVE: CVE-2018-4286 (🔍)
GCVE (CVE): GCVE-0-2018-4286
GCVE (VulDB): GCVE-100-126312
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 10/31/2018 11:49
Updated: 07/24/2024 09:56
Changes: 10/31/2018 11:49 (67), 04/08/2020 21:33 (10), 06/18/2024 23:05 (24), 07/24/2024 09:56 (2)
Complete: 🔍
Cache ID: 216::103

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