CVE-2010-5056 in Com Gbufacebook
Summary
by MITRE
SQL injection vulnerability in the GBU Facebook (com_gbufacebook) component 1.0.5 for Joomla! allows remote attackers to execute arbitrary SQL commands via the face_id parameter in a show_face action to index.php.
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Analysis
by VulDB Data Team • 07/29/2025
The CVE-2010-5056 vulnerability represents a critical SQL injection flaw within the GBU Facebook component version 1.0.5 for Joomla content management system and affects installations running the affected GBU Facebook component version.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the component's codebase. When the face_id parameter is processed in the show_face action, the application fails to properly escape or validate user-supplied data before incorporating it into SQL queries. This lack of proper input sanitization creates an exploitable condition where attackers can craft malicious SQL payloads that bypass normal query execution boundaries. The vulnerability is classified as a classic SQL injection attack vector that operates at the database layer, where attacker-controlled input directly influences query structure and execution. According to CWE-89, this vulnerability maps directly to the CWE-89 category for SQL injection, which is one of the most prevalent and dangerous web application vulnerabilities.
The operational impact of CVE-2010-5056 extends far beyond simple data theft, as successful exploitation can lead to complete database compromise and potential system takeover. Attackers can execute arbitrary SQL commands to extract sensitive information including user credentials, personal data, and administrative access details. The vulnerability enables unauthorized database access that could result in data modification, deletion, or unauthorized creation of new database entries. Additionally, the compromised system may serve as a stepping stone for further attacks within the network infrastructure, as database credentials often provide access to other systems that rely on the same database backend. This vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1046 for network service scanning, as attackers typically probe for such vulnerabilities before executing more sophisticated attacks.
Mitigation strategies for CVE-2010-5056 require immediate action to address the root cause through proper input validation and parameterized queries. The most effective immediate fix involves updating the GBU Facebook component to a patched version that properly sanitizes all user inputs before database processing. System administrators should implement proper input validation routines that reject or escape special characters commonly used in SQL injection attacks. Database access controls should be reviewed to ensure that application accounts have minimal required privileges, following the principle of least privilege. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts. Organizations should also conduct comprehensive security assessments of their Joomla! installations to identify similar vulnerabilities in other components and plugins that may present comparable risks. The vulnerability demonstrates the critical importance of keeping content management systems and their extensions updated, as this flaw existed in a specific version that was likely patched in subsequent releases according to standard security practices.