#VU18943 OS Command Injection in FileZilla
Published: June 29, 2019
Vulnerability identifier: #VU18943
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FileZilla
FileZilla
Software vendor:
FileZilla
FileZilla
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to insufficient validation of filenames that contain double-quotation marks when opening or editing files. A remote unauthenticated attacker that controls a remote server can trick the victim to connect to a malicious server to open a file with a specially crafted filename and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.