Apple macOS up to 10.13.5 Kernel access control

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.13.5 (Operating System). Affected by this issue is an unknown functionality of the component Kernel. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The bug was discovered 05/08/2018. The weakness was presented 06/01/2018 by Andy Lutomirski with LinkedIn as HT208849 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2018-8897 since 03/21/2018. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project. The advisory points out:

In some circumstances, some operating systems may not expect or properly handle an Intel architecture debug exception after certain instructions. The issue appears to be from an undocumented side effect of the instructions. An attacker might utilize this exception handling to gain access to Ring 0 and access sensitive memory or control operating system processes.

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 109610 (KB4103726: Windows Server 2012 May 2018 Security Update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 390158 (Oracle VM Server for x86 Security Update for xen (OVMSA-2018-0272)).

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 databases at Tenable (109610) and Exploit-DB (44697). See 113918, 113919, 117441 and 117442 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
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NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
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Nessus ID: 109610
Nessus Name: KB4103726: Windows Server 2012 May 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52254
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4103725)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: mov_ss.rb
MetaSploit Name: Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.13.5 2018-003
Patch: git.kernel.org

Timelineinfo

03/21/2018 🔍
05/08/2018 +47 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
05/08/2018 +0 days 🔍
06/01/2018 +24 days 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
03/20/2023 +1751 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208849
Researcher: Andy Lutomirski
Organization: LinkedIn
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-8897 (🔍)
OVAL: 🔍

SecurityTracker: 1040744
SecurityFocus: 104071 - Microsoft Windows Kernel CVE-2018-8897 Local Privilege Escalation Vulnerability

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

Entryinfo

Created: 06/03/2018 14:14
Updated: 03/20/2023 07:39
Changes: 06/03/2018 14:14 (86), 02/12/2020 08:23 (8), 03/20/2023 07:33 (6), 03/20/2023 07:39 (1)
Complete: 🔍

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