CVE-2008-1272 in BM Classifieds
Summary
by MITRE
Multiple SQL injection vulnerabilities in BM Classifieds 20080309 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) cat parameter to showad.php and the (2) ad parameter to pfriendly.php.
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Analysis
by VulDB Data Team • 10/19/2024
The vulnerability identified as CVE-2008-1272 represents a critical SQL injection flaw affecting BM Classifieds versions up to and including 20080309. This vulnerability manifests through two distinct attack vectors that exploit improper input validation mechanisms within the application's web interface. The flaw resides in the handling of user-supplied parameters within two specific php scripts, creating pathways for malicious actors to inject and execute unauthorized database commands. The vulnerability's severity stems from the fact that it enables remote code execution capabilities without requiring authentication, making it particularly dangerous for web applications that process user input directly within database queries.
The technical implementation of this vulnerability occurs through two primary entry points. The first vector involves the cat parameter within the showad.php script where user input is directly concatenated into SQL query strings without proper sanitization or parameterization. Similarly, the second vector targets the ad parameter in pfriendly.php, demonstrating a consistent pattern of insecure database query construction. Both instances represent classic SQL injection vulnerabilities that fall under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands. The attack mechanism relies on manipulating the input parameters to alter the intended execution flow of database queries, potentially allowing attackers to extract, modify, or delete sensitive data from the underlying database system.
The operational impact of CVE-2008-1272 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive information. Attackers can leverage these vulnerabilities to bypass authentication mechanisms, escalate privileges, and potentially gain shell access to the underlying server. The vulnerability affects the confidentiality, integrity, and availability of the classifieds platform, as unauthorized users can manipulate database contents and potentially disrupt normal service operations. This type of vulnerability aligns with ATT&CK technique T1190, which describes the exploitation of vulnerabilities in applications to gain unauthorized access to systems. The impact is particularly severe for classifieds platforms that handle personal information, business data, and potentially financial transactions.
Mitigation strategies for CVE-2008-1272 require immediate implementation of input validation and parameterized query mechanisms. Organizations should implement proper input sanitization techniques that filter or escape special characters before processing user input in database queries. The recommended approach involves transitioning from dynamic query construction to prepared statements or parameterized queries that separate SQL command structure from data values. Additionally, implementing web application firewalls and input validation rules can provide additional layers of protection against such attacks. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. The remediation process should include updating to the latest version of BM Classifieds where the vulnerability has been patched, along with implementing comprehensive security monitoring to detect potential exploitation attempts. Organizations should also establish proper database access controls and implement the principle of least privilege to minimize the potential damage from successful exploitation attempts.