SB2011031506 - Fedora EPEL 6 update for pure-ftpd
Published: March 15, 2011 Updated: June 8, 2025
Security Bulletin ID
SB2011031506
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2011-0411)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to incorrect implementation of STARTTLS command that does not properly restrict I/O buffering, which allows man-in-the-middle
attackers to insert commands into encrypted SMTP sessions by sending a
cleartext command that is processed after TLS is in place, related to a
"plaintext command injection" attack.
Remediation
Install update from vendor's website.