Mattermost Server up to 5.9.7/5.16.4/5.17.2/5.18.0 OAuth Application privileges management

Summaryinfo

A vulnerability described as critical has been identified in Mattermost Server up to 5.9.7/5.16.4/5.17.2/5.18.0. Affected by this vulnerability is an unknown functionality of the component OAuth Application Handler. Executing a manipulation can lead to privileges management. This vulnerability is handled as CVE-2020-14460. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Mattermost Server up to 5.9.7/5.16.4/5.17.2/5.18.0 and classified as critical. This vulnerability affects an unknown code block of the component OAuth Application Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.

The weakness was released 06/19/2020 (Website). The advisory is shared for download at mattermost.com. This vulnerability was named CVE-2020-14460 since 06/19/2020. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 5.9.8, 5.16.5, 5.17.3, 5.18.1 or 5.19.0 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-156956, VDB-156957, VDB-156958 and VDB-156959. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Groupware Software

Name

• Mattermost Server

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.9.0
• 5.9.1
• 5.9.2
• 5.9.3
• 5.9.4
• 5.9.5
• 5.9.6
• 5.9.7
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.17
• 5.17.0
• 5.17.1
• 5.17.2
• 5.18.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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