Some vulnerabilities have been discovered in PHPauction GPL, which can be exploited by malicious people to conduct SQL injection attacks, disclose sensitive information, or compromise a vulnerable system.
1) Input passed to the "include_path" parameter in includes/converter.inc.php, includes/messages.inc.php, and includes/settings.inc.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local or external resources.
Successful exploitation of this vulnerability requires that "register_globals" is enabled.
2) Input passed to the "id" parameter in profile.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation of this vulnerability allows e.g. retrieval of administrator usernames and password hashes.
3) Input passed to the "username" parameter in admin/login.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation of this vulnerability allows bypassing the authentication mechanism.
The vulnerabilities are confirmed in version 2.51. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly verified and sanitised. Use another product.
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Subject: PHPauction GPL File Inclusion and SQL Injection Vulnerabilities
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