Mattermost Desktop up to 5.5.0 on macOS Keyboard Input 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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2.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Mattermost Desktop up to 5.5.0 on macOS. Affected by this issue is some unknown functionality of the component Keyboard Input Handler. Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2023-5920. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost Desktop up to 5.5.0 on macOS. It has been classified as problematic. This affects an unknown code of the component Keyboard Input Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Mattermost Desktop for MacOS fails to utilize the secure keyboard input functionality provided by macOS, allowing for other processes to read the keyboard input.

The weakness was released 11/02/2023 by Doyensec. It is possible to read the advisory at mattermost.com. This vulnerability is uniquely identified as CVE-2023-5920 since 11/02/2023. 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 5.5.1 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.9
VulDB Meta Temp Score: 2.9

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 2.9
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: No

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: Desktop 5.5.1

Timelineinfo

11/02/2023 🔍
11/02/2023 +0 days 🔍
11/02/2023 +0 days 🔍
11/30/2023 +28 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Doyensec
Status: Confirmed

CVE: CVE-2023-5920 (🔍)
GCVE (CVE): GCVE-0-2023-5920
GCVE (VulDB): GCVE-100-244311

Entryinfo

Created: 11/02/2023 11:11
Updated: 11/30/2023 09:04
Changes: 11/02/2023 11:11 (52), 11/30/2023 09:04 (11)
Complete: 🔍
Cache ID: 216::103

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