Apple macOS up to 10.14.3 IOGraphics improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple macOS up to 10.14.3. This affects an unknown part of the component IOGraphics. The manipulation results in improper authentication. This vulnerability is cataloged as CVE-2019-8533. An attack on the physical device is feasible. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.14.3 (Operating System). Affected is an unknown code block of the component IOGraphics. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. CVE summarizes:

A lock handling issue was addressed with improved lock handling. This issue is fixed in macOS Mojave 10.14.4. A Mac may not lock when disconnecting from an external monitor.

The bug was discovered 03/25/2019. The weakness was shared 03/25/2019 by Jakub Wilk with CERT as HT209600 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2019-8533 since 02/18/2019. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The advisory points out:

A lock handling issue was addressed with improved lock handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 10.14.4 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 SecurityFocus (BID 104423†). The entries VDB-119252, VDB-132233, VDB-132234 and VDB-132235 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.14.4

Timelineinfo

06/07/2018 🔍
02/18/2019 +256 days 🔍
03/25/2019 +35 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
05/21/2020 +422 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209600
Researcher: Jakub Wilk
Organization: CERT
Status: Confirmed

CVE: CVE-2019-8533 (🔍)
GCVE (CVE): GCVE-0-2019-8533
GCVE (VulDB): GCVE-100-132354
SecurityFocus: 104423 - Perl CVE-2018-12015 Directory Traversal Vulnerability

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

Entryinfo

Created: 03/26/2019 15:25
Updated: 05/21/2020 08:45
Changes: 03/26/2019 15:25 (68), 05/21/2020 08:45 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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