CVE-2008-2819 in BlognPlus
Summary
by MITRE
SQL injection vulnerability in BlognPlus (BURO GUN +) 2.5.4 and earlier MySQL and PostgreSQL editions allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 09/26/2018
The CVE-2008-2819 vulnerability represents a critical sql injection flaw discovered in BlognPlus version 2.5.4 and earlier releases that affects both mysql and postgresql database implementations. This vulnerability resides within the blog management system's handling of user input parameters that are directly incorporated into sql query construction without proper sanitization or parameterization. The flaw enables remote attackers to manipulate the underlying database queries by injecting malicious sql code through unspecified input vectors, potentially allowing full database compromise and unauthorized access to sensitive information. The vulnerability demonstrates a classic weakness in input validation and query construction practices that has been documented under cwe-89 in the common weakness enumeration framework, specifically targeting improper neutralization of special elements used in sql commands.
The technical exploitation of this vulnerability occurs when user-supplied data is concatenated directly into sql statements rather than being properly parameterized or escaped. Attackers can leverage this weakness by crafting malicious input that alters the intended sql query flow, potentially executing commands such as data extraction, modification, or deletion. The impact extends beyond simple data theft as successful exploitation can lead to complete database compromise, allowing attackers to escalate privileges, modify content, or even gain access to underlying system resources. This vulnerability particularly affects the mysql and postgresql editions of BlognPlus, indicating that the flaw exists in the database abstraction layer implementation where input validation is insufficient across different database backends.
The operational impact of CVE-2008-2819 is severe and multifaceted, as it provides attackers with remote code execution capabilities within the database environment. Organizations running vulnerable BlognPlus installations face significant risks including data breaches, content manipulation, and potential system compromise. The vulnerability's remote nature means that attackers do not require physical access to the system, making it particularly dangerous for web applications that are publicly accessible. According to att&ck framework techniques, this vulnerability maps to t1068 privilege escalation and t1071 application layer protocol manipulation, as it allows attackers to manipulate application behavior through sql injection. The attack surface includes any input field that interfaces with the database, including but not limited to user authentication forms, comment sections, or administrative interfaces.
Mitigation strategies for this vulnerability require immediate patching of the BlognPlus application to version 2.5.5 or later, which contains the necessary fixes for the sql injection vulnerability. Organizations should implement proper input validation and parameterized queries throughout their applications, ensuring that all user input is sanitized before being processed by database systems. The implementation of web application firewalls and database activity monitoring can provide additional layers of protection by detecting and blocking suspicious sql injection patterns. Security practices should include regular vulnerability assessments, code reviews focusing on sql query construction, and adherence to secure coding guidelines that prevent the reuse of vulnerable input handling patterns. Additionally, database access controls should be implemented to limit the privileges of database users and prevent unauthorized access to sensitive data through sql injection attacks, aligning with nist cybersecurity framework recommendations for protecting against sql injection vulnerabilities.