Mattermost up to 8.1.7/9.4.0 API member_count access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mattermost up to 8.1.7/9.4.0. This vulnerability affects unknown code of the file /api/v4/channels/stats/member_count of the component API. Performing a manipulation results in access control. This vulnerability is identified as CVE-2024-24776. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 8.1.7/9.4.0. It has been classified as problematic. This affects some unknown functionality of the file /api/v4/channels/stats/member_count of the component API. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. The summary by CVE is:

Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.

The weakness was released 02/09/2024 by Vultza. It is possible to read the advisory at mattermost.com. This vulnerability is uniquely identified as CVE-2024-24776 since 01/30/2024. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 8.1.8 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.1
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: Access control
CWE: 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: Mattermost 8.1.8

Timelineinfo

01/30/2024 🔍
02/09/2024 +10 days 🔍
02/09/2024 +0 days 🔍
03/03/2024 +23 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Vultza
Status: Confirmed

CVE: CVE-2024-24776 (🔍)
GCVE (CVE): GCVE-0-2024-24776
GCVE (VulDB): GCVE-100-253311

Entryinfo

Created: 02/09/2024 16:02
Updated: 03/03/2024 07:16
Changes: 02/09/2024 16:02 (50), 03/03/2024 07:16 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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