Apple macOS up to 14.2.0 Screen Sharing information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple macOS up to 14.2.0. This issue affects some unknown processing of the component Screen Sharing. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2023-42940. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 14.2.0 (Operating System). This issue affects an unknown code of the component Screen Sharing. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content.

The weakness was presented 12/20/2023. It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2023-42940 since 09/14/2023. 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 attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 14.2 eliminates this vulnerability.

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: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 14.2

Timelineinfo

09/14/2023 🔍
12/20/2023 +97 days 🔍
12/20/2023 +0 days 🔍
01/13/2024 +24 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2023-42940 (🔍)
GCVE (CVE): GCVE-0-2023-42940
GCVE (VulDB): GCVE-100-248483
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 12/20/2023 07:04
Updated: 01/13/2024 10:39
Changes: 12/20/2023 07:04 (42), 01/13/2024 10:39 (11)
Complete: 🔍
Cache ID: 216::103

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