Mattermost up to 9.5.8 Archived Channel access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Mattermost up to 9.5.8 and classified as critical. The affected element is an unknown function of the component Archived Channel Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2024-47145. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 9.5.8. It has been declared as problematic. This vulnerability affects an unknown code of the component Archived Channel Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. CVE summarizes:

Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.

The weakness was presented by Bharat. The advisory is shared for download at mattermost.com. This vulnerability was named CVE-2024-47145 since 09/23/2024. The exploitation appears to be difficult. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 209302 (Mattermost Server 9.5.x < 9.5.9 (MMSA-2024-00358)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.5.9 or 9.11.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209302). Once again VulDB remains the best 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: 3.1
VulDB Meta Temp Score: 3.0

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

CNA Base Score: 3.1
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: 209302
Nessus Name: Mattermost Server 9.5.x < 9.5.9 (MMSA-2024-00358)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.5.9/9.11.0

Timelineinfo

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

Sourcesinfo

Advisory: mattermost.com
Researcher: Bharat
Status: Confirmed

CVE: CVE-2024-47145 (🔍)
GCVE (CVE): GCVE-0-2024-47145
GCVE (VulDB): GCVE-100-278548

Entryinfo

Created: 09/26/2024 10:49
Updated: 10/19/2024 04:01
Changes: 09/26/2024 10:49 (64), 10/19/2024 04:01 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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