#VU22564 Infinite loop in ProFTPD - CVE-2019-18217
Published: November 6, 2019 / Updated: September 7, 2020
Vulnerability identifier: #VU22564
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-18217
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ProFTPD
ProFTPD
Software vendor:
ProFTPD
ProFTPD
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in main.c in a child process when handling overly long commands. A remote non-authenticated attacker can perform a denial of service attack by sending an overly log command to the affected FTP server.
Remediation
Install updates from vendor's website.