Brendan Coles has discovered a weakness and multiple vulnerabilities in Zenoss, which can be exploited by malicious users to conduct script insertion attacks and compromise a vulnerable system and by malicious people to conduct spoofing and cross-site request forgery attacks.
1) Input passed via the "daemon" parameter to zport/About/showDaemonXMLConfig is not properly verified before being used in a "Popen()" call and can be exploited to execute arbitrary shell commands.
2) Input passed via the "sortedSence" parameter to multiple scripts 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 if malicious data is viewed.
List of affected scripts:
3) Input passed via the "came_from" parameter to zport/acl_users/cookieAuthHelper/login is not properly verified before being used to redirect users. This can be exploited to redirect a user to an arbitrary website e.g. when a user clicks a specially crafted link to the affected script hosted on a trusted domain.
4) The application 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. start and stop daemons or add a manager account by tricking an administrative user into visiting a malicious web site.
The weakness and the vulnerabilities are confirmed in version 3.2.1. Other versions may also be affected.
Solution: No official solution is currently available.
Provided and/or discovered by: Brendan Coles, IT Security Solutions.
Original Advisory: IT Security Solutions:
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Subject: Zenoss Multiple Vulnerabilities
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