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Rapid7 AppSpider 6.12 Web Application Vulnerability Scanner Elevation Of Privilege


Vendor: Rapid7, Inc.
Product web page: https://www.rapid7.com
Affected version: 6.12.10.1

Summary: While today's malicious attackers pursue a variety of
goals, they share a preferred channel of attack - the millions
of custom web, mobile, and cloud applications companies deploy
to serve their customers. AppSpider dynamically scans these
applications for vulnerabilities across all modern technologies,
provides tools that speed remediation, and monitors applications
for changes.

Desc: The application suffers from an unquoted search path issue
impacting the services 'AppSpider REST Server', 'AppSpider REST Service'
and 'AppSpiderUpgradeService' for Windows deployed as part of AppSpider
solution. This could potentially allow an authorized but non-privileged
local user to execute arbitrary code with elevated privileges on the
system. 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 useras code
would execute with the elevated privileges of the application.

Tested on: Microsoft Windows 7 Professional SP1 (EN)
           Microsoft Windows 7 Ultimate SP1 (EN)


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2016-5344
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5344.php

Vendor: https://community.rapid7.com/docs/DOC-3455


05.07.2016

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C:\>sc qc "AppSpider REST Server"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: AppSpider REST Server
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\Rapid7\AppSpider6\restserviceworker\WebWindowsService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : AppSpider REST Server
        DEPENDENCIES       :
        SERVICE_START_NAME : NT AUTHORITY\NetworkService


C:\>sc qc "AppSpider REST Service"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: AppSpider REST Service
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\Rapid7\AppSpider6\RestService\WebService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : AppSpider REST Service
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem


C:\>sc qc AppSpiderUpgradeService
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: AppSpiderUpgradeService
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 3   DEMAND_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\Rapid7\AppSpider6\AppSpiderUpgradeService\AppSpiderUpgradeService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : AppSpiderUpgradeService
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem