SB2021053002 - Debian update for hyperkitty
Published: May 30, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authorization (CVE-ID: CVE-2021-33038)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing authorization checks in "management/commands/hyperkitty_import.py" during import of private mailing list's archives when migrating from Mailman 2 to Mailman 3. A remote attacker can download sensitive information during the import stage, as the archives become available to everybody.
Remediation
Install update from vendor's website.