Mattermost up to 9.5.8/9.9.2/9.10.1/9.11.0 Archived Channel access control

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Mattermost up to 9.5.8/9.9.2/9.10.1/9.11.0. This issue affects some unknown processing of the component Archived Channel Handler. Such manipulation leads to access control. This vulnerability is documented as CVE-2024-42406. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 9.5.8/9.9.2/9.10.1/9.11.0 and classified as critical. Affected by this issue is some unknown functionality of the component Archived Channel Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

The weakness was released by Daniel Espino Garcia. The advisory is available at mattermost.com. This vulnerability is handled as CVE-2024-42406 since 09/23/2024. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 209301 (Mattermost Server 9.5.x < 9.5.9 / 9.9.x < 9.9.2 / 9.10.x < 9.10.2 / 9.11.x < 9.11.1 (MMSA-2024-00351)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.5.9, 9.9.3, 9.10.2, 9.11.1 or 10.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209301). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector (Mattermost): 🔍

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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Nessus ID: 209301
Nessus Name: Mattermost Server 9.5.x < 9.5.9 / 9.9.x < 9.9.2 / 9.10.x < 9.10.2 / 9.11.x < 9.11.1 (MMSA-2024-00351)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.5.9/9.9.3/9.10.2/9.11.1/10.0.0

Timelineinfo

09/23/2024 🔍
09/26/2024 +3 days 🔍
09/26/2024 +0 days 🔍
10/19/2024 +23 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Daniel Espino Garcia
Status: Confirmed

CVE: CVE-2024-42406 (🔍)
GCVE (CVE): GCVE-0-2024-42406
GCVE (VulDB): GCVE-100-278546

Entryinfo

Created: 09/26/2024 10:48
Updated: 10/19/2024 04:01
Changes: 09/26/2024 10:48 (64), 10/01/2024 14:11 (12), 10/19/2024 04:01 (2)
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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