Servlet Exec Multiple Security Issues
Servlet Exec 5.0p06 on Microsoft IIS 6.0
Minded Security ReferenceID:
Stefano Di Paola and Giorgio Fedon of Minded Security
Stefano Di Paola stefano.dipaola [_at_] mindedsecurity.com discovered the
first issue (Path Traversal) and
Giorgio Fedon giorgio.fedon [_at_] mindedsecurity.com discovered the second
issue (Authentication Bypass)
High: Attackers may be able to read application secrets stored in configuration
files or to bypass authentication on the Servlet Exec administrative interface.
Update your installation with July 2010 hotfix:
Minded Security Consultants discovered during a penetration testing activity that New Atlanta Servlet Exec may permit to read system configuration files or to get access to system information without valid credentials.
First Issue: Path Traversal
Minded Security consultants were able to access arbitrary files on servlet exec system path by abusing a flaw in the administration help of the ServletExec platform. In fact, by requesting the following url:
It's possible to download the "web.xml" file of an application.
Second issue: Authentication Bypass
Furthermore we discovered that some functionalities of the Servlet Exec Administrative Interface can be accessed without any valid user credential. By supplying a properly crafted request to the Servlet interface, it's possible to have direct access to precompiled JSP pages stored inside the "Servlet Exec
The following request will display the login interface:
It's very important to observe that a direct access to "Servlet Exec Administrative" functionalities, may lead to a full system compromise, if the attacker is be able to deploy his own malicious code on the protected environment.
The following request will show the system properties:
Other examples include, for example, the unauthorized access to the "Log Configuration":
Unauthorized access to Administrative User Management panel:
Access to virtual server management:
Access to Admin Optional packages configuration section:
Access to Data Sources configuration section:
Access to Admin Debug configuration section:
26/02/2009 Issue found
29/04/2010 Reported to Vendor
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Copyright (c) 2010 Minded Security, S.r.l..
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