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CM3.AcoraCMS.v6.txt
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CM3.AcoraCMS.v6.txt
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===============================
- Advisory -
===============================
Tittle: CM3 AcoraCMS - Several Vulnerabilities
Risk: Medium
Date: 12.Sept.2012
Author: Pedro Andujar
Twitter: @pandujar
.: [ INTRO ] :.
Acora CMS is a sleek and powerful off-the-shelf content management application coupled with a deep and extensible advanced website development framework at a killer price. This home grown product is one of DDSN's key differentiators. It's in use by many high profile clients, but easily scales down for smaller websites too.
AcoraCMS is widely used accross Austalian IT companies, Banks and government websites.
.: [ TECHNICAL DESCRIPTION ] :.
AcoraCMS, v6.0.6/1a, v6.0.2/1a, v5.5.7/12b, v5.5.0/1b-p1 (and probably others), are prone to several security issues as described below;
.: [ ISSUE #1 ] :.
Name: Reflected Cross Site Scripting
Severity: Medium
CVE: CVE-2013-4722
Due to lack of input validation and output escaping in the default.asp page,
parameters such username, url, qstr, etc. can be used by an attacker to perform XSS
attacks.
Example:
/AcoraCMS/Admin/login/default.asp?username="</div><script>alert(document.cookie)</script>
/AcoraCMS/Admin/login/default.asp?url="</form><META HTTP-EQUIV=Refresh CONTENT="0; URL=http://www.google.es">
.: [ ISSUE #2 ] :.
Name: URL Redirect
Severity Medium
CVE: CVE-2013-4723
URL redirection functionality doesn't verify that VirtualPath are relatives.
Example:
/AcoraCMS/track.aspx?m=1&l=//www.google.es
.: [ ISSUE #3 ] :.
Name: Username and password sent in clear text
Severity: Medium
Authentication credentials (username and password) and session cookies are unencrypted.
.: [ ISSUE #4 ] :.
Name: Cookie Lack of Hardening
Severity: Low
CVE: CVE-2013-4724 & CVE-2013-4725
Cookies are not hardened using HttpOnly or Secure flags.
.: [ ISSUE #5 ] :.
Name: XSRF
Severity: Low
CVE: CVE-2013-4726
The application lacks controls to prevent Cross Site Request Forgery.
.: [ ISSUE #6 ] :.
Name: Information Leaks
Severity: Low
CVE: CVE-2013-4727 & CVE-2013-4728
* Unauthenticated users are able to retrive _viewstate encoded base64 information.
/AcoraCMS/Admin/top.aspx
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE"
value="/wEPDwUKLTQ4NjIxMDUxOQ9kFgJmD2QWAgIDD2QWAgIBD2QWCmYPFgIeBFRleHQFJERpZ2l0YWxTZWMgTmV0d29ya3MgV2Vic2l0ZWQCAQ8WAh8ABQpFbnRlcnByaXNlZAICDw8WAh8ABQt2NS40LjUvNGEtY2RkAgMPFgIfAAUgQW5vbnltb3VzIChQdWJsaWMgSW50ZXJuZXQgVXNlcilkAgQPDxYCHgdWaXNpYmxlaGRkZIL9u8OSlqqnBHGwtssOBV5lciAoCg"
/>
</div>
Once decoded gives you information about the version and license including the company who owns the license, it
could be used for fingerprinting the application:
-486210519 d f d d d
f Text $DigitalSec Networks Websited
Enterprised v5.4.5/4a-cdd Anonymous (Public Internet
User)d VisiblehdddÒq ^er (
* Application Physical Path exposed to unauthenticated users
/AcoraCMS/track.aspx?m=1&l=..\..
Exception Details: System.Web.HttpException: Cannot use a leading ..
to exit above the top directory.
Source File: d:\Path\to\site\AcoraCMS\track.aspx.cs Line: 57
.: [ CHANGELOG ] :.
* 12/Sep/2012: - Vulnerability discovered.
* 27/May/2013: - Vendor contacted. No response
* 19/Aug/2013: - Vendor recontacted. No response
* 26/Aug/2013: - Public
.: [ SOLUTIONS ] :.
N/A
.: [ REFERENCES ] :.
[+] Acora CMS
http://www.ddsn.com/knowledge-base/cm3-acora-cms.aspx
[+] Clients & Projects
http://www.ddsn.com/portfolio/clients.aspx
[+] CM3CMS
http://www.cm3cms.com/
[+] !dSR - Digital Security Research
http://www.digitalsec.net/