myEvent version 1.6 Multiple Path Disclosure Vulnerabilities

2007.06.01
Risk: Low
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

netVigilance Security Advisory #24 myEvent version 1.6 Multiple Path Disclosure Vulnerabilities Description: myEvent is Dynamic Calendar based Events Management system with admin panel for adding events, edit and delete built using PHP & mySQL. Display today's event and future events links on the calendar, Event will be displayed in 3 mode eg : pop-up, new windows and on same screen once link is clicked. There is also a mouse-over tool tip to display the events Template based and Simple easily intergrated to any websites. External References: Mitre CVE: CVE-2007-0690 NVD NIST: CVE-2007-0690 OSVDB: 34272 Summary: myEvent is Dynamic Calendar based Events Management system with admin panel for adding events, edit and delete built using PHP and mySQL. Multiple pass disclosure vulnerabilities in the product allow attackers to gather the true path of the server-side script. Advisory URL: http://www.netvigilance.com/advisory0024 Release Date: 05/28/2007 Severity: Risk: Low CVSS Metrics Access Vector: Remote Access Complexity: Low Authentication: Not-required Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None Impact Bias: Normal CVSS Base Score: 2.3 Target Distribution on Internet: Low Exploitability: Functional Exploit Remediation Level: Workaround Report Confidence: Uncorroborated Vulnerability Impact: Attack Host Impact: Path disclosure. SecureScout Testcase ID: TC 17954 Vulnerable Systems: myEvent version 1.6 Vulnerability Type: Program flaw - The myevent.php and login.php scripts has flaws which lead to Warnings or even Fatal Error. Vendor: myWebland Vendor Status: The Vendor has been notified several times on many different email addresses last on 15 May 2007. The Vendor has not responded. There is no official fix at the release of this Security Advisory. Workaround: Disable warning messages: modify in the php.ini file following line: display_errors = Off. Or modify .htaccess file (this will work only for the apache servers). Example: Path Disclosure Vulnerability 1: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/myevent.php?monthno[]=2&year=2007 REPLY: <b>Warning</b>: htmlspecialchars() expects parameter 1 to be string, array given in <b>[DISCLOSED PATH][PRODUCT-DIRECTORY]initialize.php</b> on line <b>71</b><br /> Path Disclosure Vulnerability 2: REQUEST http://[TARGET]/[PRODUCT-DIRECTORY]/ myevent.php?view[]=1 REPLY: <b>Warning</b>: htmlspecialchars() expects parameter 1 to be string, array given in <b>[DISCLOSED PATH][PRODUCT-DIRECTORY]initialize.php</b> on line <b>83</b><br /> Path Disclosure Vulnerability 3: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/login.php Enter Login but do not enter password. Click "Log In" REPLY: <b>Fatal error</b>: Call to undefined function: notice() in <b>[DISCLOSED PATH][PRODUCT-DIRECTORY]login.php</b> on line <b>29</b><br /> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com


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