CVE-2011-1722

Vulnerability

The WEC Discussion Forum (wec_discussion) TYPO3 extension version 2.1.0 and earlier contains multiple SQL injection vulnerabilities. The flaw exists in unspecified components of the extension, allowing unsanitized input to be passed directly to SQL queries. The vulnerability was actively exploited in the wild in April 2011 [1].

Exploitation

An attacker can exploit these vulnerabilities remotely without authentication or special privileges. By crafting malicious input to the affected parameters (not publicly specified), they can inject arbitrary SQL commands into the database query. The vector can be triggered via HTTP requests to the forum functionality [1].

Impact

Successful exploitation allows an attacker to execute arbitrary SQL commands against the underlying database, potentially leading to information disclosure, data modification, or further compromise of the TYPO3 installation. The attacker can access, modify, or delete sensitive data stored in the database [1].

Mitigation

The vulnerability is fixed in version 2.1.1 of the extension, released after the in-the-wild exploitation [2]. Users should upgrade to wec_discussion 2.1.1 or later immediately. No official workaround is available for older versions [1].