SB2024021556 - Observable discrepancy in ProFTPD
Published: February 15, 2024 Updated: June 23, 2025
Security Bulletin ID
SB2024021556
Severity
Medium
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 security vulnerability.
1) Observable discrepancy (CVE-ID: CVE-2004-1602)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.
Remediation
Install update from vendor's website.