Mattermost up to 9.11.0 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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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mattermost up to 9.5.7/9.8.2/9.9.1/9.10.0/9.11.0. The impacted element is an unknown function of the component Channel Handler. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2024-43780. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Mattermost up to 9.5.7/9.8.2/9.9.1/9.10.0/9.11.0. This vulnerability affects an unknown function of the component 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 integrity. CVE summarizes:

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.

The weakness was published by Bharat. The advisory is available at mattermost.com. This vulnerability was named CVE-2024-43780 since 08/16/2024. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 9.5.8, 9.8.3, 9.9.2, 9.10.1 or 9.11.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 4.3
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.5.8/9.8.3/9.9.2/9.10.1/9.11.0

Timelineinfo

08/16/2024 🔍
08/22/2024 +6 days 🔍
08/22/2024 +0 days 🔍
10/17/2024 +56 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Bharat
Status: Confirmed

CVE: CVE-2024-43780 (🔍)
GCVE (CVE): GCVE-0-2024-43780
GCVE (VulDB): GCVE-100-275590

Entryinfo

Created: 08/22/2024 18:06
Updated: 10/17/2024 06:19
Changes: 08/22/2024 18:06 (64), 08/23/2024 15:07 (1), 10/17/2024 06:19 (9)
Complete: 🔍
Cache ID: 216::103

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