SB2023022217 - Authorization bypass in Nextcloud Mail
Published: February 22, 2023
Security Bulletin ID
SB2023022217
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) Authorization bypass through user-controlled key (CVE-ID: CVE-2023-25160)
CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an authorization bypass through user-controlled key. A remote user can access the mail box by ID getting the subjects and the first characters of the emails.
Remediation
Install update from vendor's website.