CVE-2023-25160 Information

Description

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.

Reference

https://hackerone.com/reports/1784681 https://github.com/nextcloud/mail/pull/7740 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m45f-r5gh-h6cx