Arbitrary File Disclosure and Open Redirect in Bonita BPM

High-Tech Bridge Security Research Lab two vulnerabilities in Bonita BPM Portal (Bonita’s web interface running by default on port 8080), which can be exploited by remote non-authenticated attacker to compromise the vulnerable web application and the web server on which it is hosted.

1. Path Traversal in Bonita BPM Portal: CVE-2015-3897

User-supplied input passed via the “theme” and “location” HTTP GET parameters to “bonita/portal/themeResource” URL is not properly verified before being used as part of file name. The attacker may download any system file accessible to the web server user.

Simple PoC code below will return content of “C:/Windows/system.ini” file:

http://[HOST]/bonita/portal/themeResource?theme=portal/…/…/…/…/…/…/…/ …/…/…/…/…/…/…/…/…/&location=Windows/system.ini

Second PoC will disclose the content of “/etc/passwd” file:

http://[HOST]/bonita/portal/themeResource?theme=portal/…/…/…/…/…/…/…/ …/…/…/…/…/…/…/…/…/&location=etc/passwd

2. Open Redirect in Bonita BPM Portal: CVE-2015-3898

Input passed via the “redirectUrl” HTTP GET parameter to “/bonita/login.jsp” script and “/bonita/loginservice” URLs is not properly verified before being used as redirect URL.

After login user may be redirected to arbitrary website:

http://[HOST]/bonita/login.jsp?_l=en&redirectUrl=//immuniweb.com/