Mattermost up to 9.5.9/9.10.2/9.11.1/10.0.0 /api/v4/channels authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mattermost up to 9.5.9/9.10.2/9.11.1/10.0.0. The affected element is an unknown function of the file /api/v4/channels. This manipulation causes authorization. This vulnerability is registered as CVE-2024-42000. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 9.5.9/9.10.2/9.11.1/10.0.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /api/v4/channels. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality. The summary by CVE is:

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.

The weakness was published by Othman. It is possible to read the advisory at mattermost.com. This vulnerability is known as CVE-2024-42000 since 11/05/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 212076 (Mattermost Server 9.5.x < 9.5.10, 9.10.x < 9.10.3, 9.11.x < 9.11.2, 10.0.x < 10.0.1, 10.1.0 (MMSA-2024-00381)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.5.10, 9.10.3, 9.11.2, 10.0.1, 10.1.0 or 10.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (212076). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.2

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 2.7
CNA Vector (Mattermost): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / 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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Nessus ID: 212076
Nessus Name: Mattermost Server 9.5.x < 9.5.10, 9.10.x < 9.10.3, 9.11.x < 9.11.2, 10.0.x < 10.0.1, 10.1.0 (MMSA-2024-00381)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.5.10/9.10.3/9.11.2/10.0.1/10.1.0/10.1.0

Timelineinfo

11/05/2024 🔍
11/09/2024 +4 days 🔍
11/09/2024 +0 days 🔍
12/05/2024 +26 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Othman
Status: Confirmed

CVE: CVE-2024-42000 (🔍)
GCVE (CVE): GCVE-0-2024-42000
GCVE (VulDB): GCVE-100-283795

Entryinfo

Created: 11/09/2024 21:12
Updated: 12/05/2024 14:45
Changes: 11/09/2024 21:12 (63), 11/14/2024 18:03 (12), 12/05/2024 14:45 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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