Input validation error in Dameware Mini Remote Client agent and Dameware Remote Mini Control - CVE-2019-3980

 

Input validation error in Dameware Mini Remote Client agent and Dameware Remote Mini Control - CVE-2019-3980

Published: October 23, 2019 / Updated: October 20, 2021


Vulnerability identifier: #VU22187
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-3980
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: SolarWinds
Affected software:
Dameware Mini Remote Client agent
Dameware Remote Mini Control

Detailed vulnerability description

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

The vulnerability exists due to the affected software supports smart card authentication by default which allows a user to upload an executable to be executed on the DWRCS.exe host. The executable will be saved in C:\Windows\Temp\ as dwDrvInst.exe and executed with the privileges of the Local System account. An unauthenticated, remote attacker can request smart card login and upload and execute an arbitrary executable run under the Local System account.

PoC:

 python dwrcs_dwDrvInst_rce.py -t  -e 

How to mitigate CVE-2019-3980

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources