Mattermost up to 8.1.8/9.2.4/9.3.0 Metadata 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 marked as critical has been reported in Mattermost up to 8.1.8/9.2.4/9.3.0. This issue affects some unknown processing of the component Metadata Handler. This manipulation causes access control. The identification of this vulnerability is CVE-2024-1942. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Mattermost up to 8.1.8/9.2.4/9.3.0. Affected by this vulnerability is an unknown code of the component Metadata 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. The summary by CVE is:

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.

The weakness was shared 02/29/2024 by Juho Nurminen. It is possible to read the advisory at mattermost.com. This vulnerability is known as CVE-2024-1942 since 02/27/2024. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 8.1.9, 9.2.5, 9.3.1 or 9.4 eliminates this vulnerability.

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: 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, 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 8.1.9/9.2.5/9.3.1/9.4

Timelineinfo

02/27/2024 🔍
02/29/2024 +2 days 🔍
02/29/2024 +0 days 🔍
12/13/2024 +288 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Juho Nurminen
Status: Confirmed

CVE: CVE-2024-1942 (🔍)
GCVE (CVE): GCVE-0-2024-1942
GCVE (VulDB): GCVE-100-255259

Entryinfo

Created: 02/29/2024 13:54
Updated: 12/13/2024 19:44
Changes: 02/29/2024 13:54 (50), 12/13/2024 19:44 (26)
Complete: 🔍
Cache ID: 216::103

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