Apple macOS up to 10.13.5 AMD out-of-bounds read

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CVSS Meta Temp Score
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5.2$0-$5k0.00

A vulnerability was found in Apple macOS up to 10.13.5 (Operating System) and classified as critical. This issue affects an unknown function of the component AMD. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. Impacted is confidentiality, integrity, and availability.

The bug was discovered 06/01/2018. The weakness was presented 06/01/2018 with Qihoo 360 as HT208849 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2018-4253 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 advisory points out:

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.

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 combined. 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 10.13.5 2018-003 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). See 118673, 118642, 118644 and 118645 for similar entries.

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VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 110324
Nessus Name: macOS 10.13.x < 10.13.5 Multiple Vulnerabilities
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Nessus Risk: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Upgrade: macOS 10.13.5 2018-003

Timelineinfoedit

01/02/2018 🔍
06/01/2018 +150 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
06/05/2018 +2 days 🔍
06/08/2018 +2 days 🔍
02/11/2020 +613 days 🔍

Sourcesinfoedit

Vendor: https://www.apple.com/

Advisory: HT208849
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4253 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712
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Entryinfoedit

Created: 06/03/2018 02:13 PM
Updated: 02/11/2020 09:43 PM
Changes: (3) vulnerability_discoverydate advisory_confirm_url source_cve_assigned
Complete: 🔍

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