Mattermost Server up to 9.6.0 User Preferences resource consumption

Summaryinfo

A vulnerability was found in Mattermost Server up to 8.1.10/9.3.2/9.4.3/9.5.1/9.6.0. It has been classified as problematic. This affects an unknown part of the component User Preferences Handler. The manipulation leads to resource consumption. This vulnerability is documented as CVE-2024-28949. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mattermost Server up to 8.1.10/9.3.2/9.4.3/9.5.1/9.6.0. This issue affects an unknown code block of the component User Preferences Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service.

The weakness was released by Vultza. The advisory is shared at mattermost.com. The identification of this vulnerability is CVE-2024-28949 since 04/03/2024. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 8.1.11, 9.3.3, 9.4.4, 9.5.2 or 9.6.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Groupware Software

Vendor

• Mattermost

Name

• Server

Version

• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 8.1.10
• 9.0
• 9.1
• 9.2
• 9.3
• 9.3.0
• 9.3.1
• 9.3.2
• 9.4
• 9.4.0
• 9.4.1
• 9.4.2
• 9.4.3
• 9.5
• 9.5.0
• 9.5.1
• 9.6.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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