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INTERNET SECURITY AUDITORS ALERT 2013-008
- Original release date: March 15th, 2013
- Last revised: March 20th, 2013
- Discovered by: Manuel Garcia Cardenas
- Severity: 4,8/10 (CVSS Base Score)
- CVE-ID: CVE-2013-2621,
CVE-2013-2622,
CVE-2013-2623
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I. VULNERABILITY
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Multiple Vulnerabilities in Uebimiau <= 2.7.11
II. BACKGROUND
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UebiMiau is a webmail reader application supporting both IMAP and POP3
protocols. It can be installed without dependence of any PHP's extra
modules or a
separate database. It is Open source software published under GNU
General Public License (GPL).
UebiMiau has not been developed since March 2006 and does not work with
PHP 5.3 due to its use of deprecated functions. A new project, which is
a forked
reboot of UebiMiau based on the jimjag patches, named Telaen is an
actively developed drop-in replacement.
III. DESCRIPTION
-------------------------
Uebimiau 2.7.11 and lower versions contain a flaw that allows a remote
redirection attack. This flaw exists because the application does not
properly
sanitise the file "redir.php". This allows an attacker to create a
specially crafted URL, that if clicked, would redirect a victim from the
intended
legitimate web site to an arbitrary web site of the attacker's choice.
Aditionaly, it has been detected a reflected XSS vulnerability in
Uebimiau 2.7.11 and lower versions, that allows the execution of
arbitrary HTML/JavaScript
code to be executed in the context of the victim user's browser. The
code injection is done through the parameter "f_email" in the page
index.php and
parameter "selected_theme" in the page error.php.
IV. PROOF OF CONCEPT
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REDIRECT:
http://vulnerablesite.com/uebimiau/redir.php?http://www.malicious-site.com
XSS 1:
http://vulnerablesite.com/uebimiau/error.php?f_pass=blackybr&sess[auth]=1&selected_theme="><script>alert("XSS")</script>
XSS 2:
http://vulnerablesite.com/uebimiau/index.php?tid=default&lid=en_UK&f_email="><script>alert("XSS")</script>
V. BUSINESS IMPACT
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REDIRECT: An attacker can redirect any user to any malicious website.
Below I have mentioned the vulnerable URL.
XSS: An attacker can execute arbitrary HTML or JavaScript code in a
targeted user's browser, this can leverage to steal sensitive
information as user
credentials, personal data, etc.
VI. SYSTEMS AFFECTED
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All Versions of Uebimiau.
VII. SOLUTION
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REDIRECT AND XSS: All data received by the application and can be
modified by the user, before making any kind of transaction with them
must be validated.
VIII. REFERENCES
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http://www.uebimiau.org
http://www.isecauditors.com
IX. CREDITS
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This vulnerability has been discovered
by Manuel Garcia Cardenas (mgarcia (at) isecauditors (dot) com).
X. REVISION HISTORY
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March 15, 2013 1: Initial release
XI. DISCLOSURE TIMELINE
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March 15, 2013: Vulnerability acquired by
Internet Security Auditors (www.isecauditors.com)
March 20, 2013: Sent to devel Manager.
March 21, 2013: Answer. After 4 years of previous version, the
developer
will publish new patched version in 3 days!
September 26, 2013: Ask to devel manager for feedback
October 09, 2013: After some months without feedback, we do a
full-disclosure
XII. LEGAL NOTICES
-------------------------
The information contained within this advisory is supplied "as-is" with
no warranties or guarantees of fitness of use or otherwise.
Internet Security Auditors accepts no responsibility for any damage
caused by the use or misuse of this information.
XIII. ABOUT
-------------------------
Internet Security Auditors is a Spain based leader in web application
testing, network security, penetration testing, security compliance
implementation and assessing. Our clients include some of the largest
companies in areas such as finance, telecommunications, insurance, ITC,
etc. We are
vendor independent provider with a deep expertise since 2001. Our
efforts in R&D include vulnerability research, open security project
collaboration and
whitepapers, presentations and security events participation and
promotion. For further information regarding our security services,
contact us.
XIV. FOLLOW US
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