#VU16990 Spoofing attack in WinSCP - CVE-2019-6109
Published: January 15, 2019
Vulnerability identifier: #VU16990
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-6109
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WinSCP
WinSCP
Software vendor:
winscp.sourceforge.net
winscp.sourceforge.net
Description
The vulnerability allows a remote attacker to conduct spoofing attack on the target system.
The weakness exists due to accepting and displaying arbitrary stderr output from the scp server by the scp client. A malicious SCP server can use the object name to manipulate the client output, for example to employ ANSI codes to hide additional files being transferred.
The weakness exists due to accepting and displaying arbitrary stderr output from the scp server by the scp client. A malicious SCP server can use the object name to manipulate the client output, for example to employ ANSI codes to hide additional files being transferred.
Remediation
Update to version 5.14.