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Date: Mon, 05 Mar 2012 15:09:03 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: YGN Ethical Hacker Group <lists@...g.net>
Subject: Re: Open-Realty CMS 2.5.8 (2.x.x) <= "select_users_template"
Local File Inclusion Vulnerability
On 03/05/2012 09:03 AM, YGN Ethical Hacker Group wrote:
> 1. OVERVIEW
>
> Open-Realty 2.5.8 and lower versions are vulnerable to Local File Inclusion.
>
>
> 2. BACKGROUND
>
> Open-Realty is the world's leading real estate listing marketing and
> management CMS application, and has enjoyed being the real estate web
> site software of choice for professional web site developers since
> 2002.
>
>
> 3. VULNERABILITY DESCRIPTION
>
> Open-Realty contains a flaw that may allow a remote attacker to
> execute arbitrary commands or code. The issue is due to the
> 'index.php' script not properly sanitizing user input, specifically
> directory traversal style attacks (e.g., ../../) supplied to the
> 'select_users_template' parameter. This may allow an attacker to
> include a file from the targeted host that contains arbitrary commands
> or code that will be executed by the vulnerable script. Such attacks
> are limited due to the script only calling files already on the target
> host. In addition, this flaw can potentially be used to disclose the
> contents of any file on the system accessible by the web server.
>
>
> 4. VERSIONS AFFECTED
>
> 2.5.8 (2.x.x) <=
>
>
> 5. PROOF-OF-CONCEPT/EXPLOIT
>
> http://localhost/open-realty2.5.8/?select_users_template=../../../../../../../../../../../../../../../etc/passwd%00
>
>
> 6. SOLUTION
>
> The version 2.5.x version family is no longer maintained by the vendor.
> The version 3.x.x is not found to be vulnerable to this issue. Upgrade
> to the latest 3.x.x version.
>
>
> 7. VENDOR
>
> Transparent Technologies Inc.
> http://www.transparent-support.com
>
>
> 8. CREDIT
>
> Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.
>
>
> 9. DISCLOSURE TIME-LINE
>
> 2012-03-05: Open-Realty 2.5.8 in End-of-Support/Maintenance circle
> 2012-03-05: Vulnerability disclosed
>
>
> 10. REFERENCES
>
> Original Advisory URL:
> http://yehg.net/lab/pr0js/advisories/%5Bopen-realty_2.5.8_2.x%5D_lfi
> Open-Realty Home Page: http://www.open-realty.org/
> CWE-98: Improper Control of Filename for Include/Require Statement in
> PHP Program ('PHP File Inclusion')
> CAPEC-252: PHP Local File Inclusion
>
>
> #yehg [2012-03-05]
Please use CVE-2012-1112 for this issue.
--
Kurt Seifried Red Hat Security Response Team (SRT)
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