Nextcloud Mail up to 1.11.7/1.12.8/1.14.4/2.2.0 authorization

Summaryinfo

A vulnerability described as problematic has been identified in Nextcloud Mail up to 1.11.7/1.12.8/1.14.4/2.2.0. Impacted is an unknown function. Executing a manipulation can lead to authorization. This vulnerability appears as CVE-2023-25160. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Nextcloud Mail up to 1.11.7/1.12.8/1.14.4/2.2.0 (Cloud Software) and classified as problematic. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. CVE summarizes:

Nextcloud Mail is an email app for the Nextcloud home server platform. Prior to versions 2.2.1, 1.14.5, 1.12.9, and 1.11.8, an attacker can access the mail box by ID getting the subjects and the first characters of the emails. Users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 22-24, Mail 1.12.9 for Nextcloud 21, or Mail 1.11.8 for Nextcloud 20 to receive a patch. No known workarounds are available.

The weakness was presented 02/14/2023 as GHSA-m45f-r5gh-h6cx. The advisory is available at github.com. This vulnerability was named CVE-2023-25160 since 02/03/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 1.11.8, 1.12.9, 1.14.5 or 2.2.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Cloud Software

Vendor

• Nextcloud

Name

• Mail

Version

• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.11.5
• 1.11.6
• 1.11.7
• 1.12.0
• 1.12.1
• 1.12.2
• 1.12.3
• 1.12.4
• 1.12.5
• 1.12.6
• 1.12.7
• 1.12.8
• 1.14.0
• 1.14.1
• 1.14.2
• 1.14.3
• 1.14.4
• 2.0
• 2.1
• 2.2.0

License

• open-source

Website

• Product: https://github.com/nextcloud/mail/

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CPE 2.2info

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