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Reprise License Manager 14.2 Remote Binary Execution Vulnerability

Author
Andreas Fyhn Andersen
Risk
[
Security Risk Critical
]
0day-ID
0day-ID-37112
Category
web applications
Date add
08-12-2021
CVE
CVE-2021-44153
Platform
php
# Product:  Reprise License Manager 14.2
# Vendor:   Reprise Software
# CVE ID:   CVE-2021-44153
# Vulnerability Title: Authenticated Remote Binary Execution
# Severity: High
# Author(s): Mark Staal Steenberg, Bilal El Ghoul, Gionathan Armando Reale, Andreas Fyhn Andersen, Oliver Lind Nordestgaard  
#############################################################

Introduction:

When editing the license file, it is possible for an admin user to enable an option to run arbitrary executables.
An attacker can exploit this to run a malicious binary on startup, or when triggering the "Reread/Restart Servers" function on the webserver. (Exploitation does not require CVE-2018-15573, because the license file is meant to be changed in the application.)

Vulnerability:

A license file containing the following, would execute calc.exe as an example of this vulnerability, it is also possible to provide arguments to the executables:

ISV demo "C:\Windows\System32\calc.exe"

If CVE-2018-15573 remains unpatched, files could be created on the system and then executed. 

Recommendation:
Don't allow user-specified binaries to be run. Use a allow-list if absolutely required.

#  0day.today [2024-09-29]  #