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Description
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Benjamin Kunz Mejri has discovered multiple vulnerabilities in ServersCheck Monitoring, which can be exploited by malicious, local users and malicious users to conduct script insertion attacks and by malicious people to conduct cross-site scripting and cross-site request forgery attacks.
1) The application's web interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. change the administrator's password and conduct script insertion attacks by tricking a logged in administrator into visiting a malicious web site.
2) Input passed via the "filterby" parameter to bulkedit.html, the "linenumber", "id", and "check" parameters to checks2def.html, the "fromdate" parameter to viewalerts.html, the "label" and "labelvisible" parameters to downtime.html, the "xml" parameter to timeline/timeline.html, the "device" parameter to devicegraphs.html, the "label" parameter to viewgraphs.html, the "xml" parameter to timeline_generate.html, the "linenumber" parameter to devicescan1.html, the "ItemList" parameter to reporting2.html, the "reportname" parameter to bandwidthreporting2.html, the "device" parameter to devicedetails.html, and the "gsm" parameter to smstest1.html is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
3) Input passed via the "teamname" parameter to teamsedit.html, the "username" parameter to usersedit.html, the "accountdescription" and "windowsuser" parameters to windowsaccountsedit.html, the "account" parameter to msnsettings.html, the "newsetting0", "newsetting1", "newsetting2", and "newsetting3" parameters to enterprisesettings2.html, the "namevisible" parameter to checks3other.html, the "body" parameter to smssettings.html, and the "required_filename" parameter to addwizard3.html is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
The vulnerabilities are confirmed in version 8.8.11. Other versions may also be affected.
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