SB2023020907 - Improper access control in Nextcloud Office



SB2023020907 - Improper access control in Nextcloud Office

Published: February 9, 2023

Security Bulletin ID SB2023020907
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2023-25150)

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions when accessing files. A remote user can trick Collabora into reusing a valid access token to obtain files that belong to other application users.


Remediation

Install update from vendor's website.