SB2023020907 - Improper access control in Nextcloud Office
Published: February 9, 2023
Security Bulletin ID
SB2023020907
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2023-25150)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.