OS Command Injection in rssh - CVE-2019-3464

 

OS Command Injection in rssh - CVE-2019-3464

Published: February 4, 2019


Vulnerability identifier: #VU17364
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-3464
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: rssh.sourceforge.net
Affected software:
rssh

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper validation in the rsync support. A remote unauthenticated attacker can bypass the rsync support and execute arbitrary OS commands on the target system and perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-3464

Install updates from vendor's website.

Sources