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Rapid7 AppSpider 6.12 Web Application Vulnerability Scanner Elevation Of Privilege

Low
Advisory ID
ZSL-2016-5344
Release Date
22 July 2016
Vendor
Rapid7, Inc. - https://www.rapid7.com
Affected Version
6.12.10.1
CVE
N/A
Tested On
Microsoft Windows 7 Professional SP1 (EN), Microsoft Windows 7 Ultimate SP1 (EN)
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.

Description

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 user’s code would execute with the elevated privileges of the application.

Proof of Concept
Disclosure Timeline
05.07.2016Vulnerability discovered.
05.07.2016Vendor contacted.
06.07.2016Vendor responds asking more details.
06.07.2016Sent details to the vendor.
06.07.2016Vendor forwards details to AppSpider team.
08.07.2016Vendor replies.
13.07.2016Asked vendor for status update.
13.07.2016Vendor confirms and fixes the vulnerability.
20.07.2016Vendor releases version 6.12.13 to address this issue.
22.07.2016Coordinated public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
22.07.2016Initial release
25.07.2016Added reference [2], [3] and [4]
21.08.2016Added reference [5]