Description
write_ok.php in Zeroboard 4.1 pl8, when installed on Apache with mod_mime, allows remote attackers to bypass restrictions for uploading files with executable extensions by uploading a .htaccess file that with an AddType directive that assigns an executable module to files with assumed-safe extensions, as demonstrated by assigning the txt extension to be handled by application/x-httpd-php.
References
- ADV-2006-2318 vdb-entry
- 20060616 Zeroboard File Upload & extension bypass Vulnerability mailing-list
- 18465 vdb-entry
- zeroboard-htaccess-file-upload-(27038) vdb-entry
- http://securecast.wins21.com/zerovul.html
- 20060616 Zeroboard File Upload & extension bypass Vulnerability mailing-list
- 20592 third-party-advisory