CVE-2008-6077 in loudblog
Summary
by MITRE
SQL injection vulnerability in loudblog/ajax.php in LoudBlog 0.8.0a and earlier allows remote authenticated users to execute arbitrary SQL commands via the colpick parameter in a singleread action.
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Analysis
by VulDB Data Team • 11/08/2024
The vulnerability identified as CVE-2008-6077 represents a critical sql injection flaw within the loudblog content management system version 0.8.0a and earlier. This vulnerability specifically affects the ajax.php script which handles various administrative and user-facing operations. The flaw manifests when the application processes the colpick parameter within the singleread action, creating an avenue for malicious exploitation that bypasses normal input validation mechanisms.
The technical implementation of this vulnerability stems from improper sanitization of user-supplied input within the application's database query construction process. When authenticated users submit requests containing maliciously crafted colpick parameter values, the system fails to properly escape or validate these inputs before incorporating them into sql queries. This allows attackers to inject arbitrary sql commands that execute with the privileges of the web application's database user, potentially leading to complete database compromise. The vulnerability operates at the application layer and requires authentication, making it a privilege escalation issue rather than a simple remote code execution vector.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers with valid user credentials to gain unauthorized access to sensitive database information, modify content, escalate privileges, or even perform destructive operations on the database. In a typical loudblog installation, this could result in the exposure of user credentials, personal information, blog content manipulation, and potential system compromise. The vulnerability is particularly concerning because it leverages legitimate administrative functions within the application, making detection more difficult and potentially allowing for prolonged unauthorized access without immediate detection.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected loudblog versions to the latest available releases that address the sql injection flaw. Organizations should implement proper input validation and parameterized queries throughout the application codebase to prevent similar issues. Additionally, network segmentation and access controls should be enforced to limit the impact of potential exploitation, while regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities. This vulnerability aligns with CWE-89, which categorizes sql injection flaws, and represents a classic example of how insufficient input validation can lead to severe security consequences. The attack pattern follows typical sql injection methodologies documented in the mitre att&ck framework under the command and control and credential access domains, emphasizing the need for comprehensive defensive measures including web application firewalls and database activity monitoring systems.