CVE-2007-2675 in Pre Classifieds Listings
Summary
by MITRE
SQL injection vulnerability in search.php in Pre Classifieds Listings 1.0 allows remote attackers to execute arbitrary SQL commands via the category parameter.
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Analysis
by VulDB Data Team • 09/10/2024
The vulnerability identified as CVE-2007-2675 represents a critical sql injection flaw within the Pre Classifieds Listings 1.0 web application, specifically affecting the search.php script. This weakness resides in how the application processes user input through the category parameter, creating an avenue for malicious actors to manipulate database queries. The vulnerability stems from insufficient input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql command structures. Security researchers have classified this issue as a classic sql injection vulnerability, which falls under the common weakness enumeration category CWE-89, specifically addressing improper neutralization of special elements used in sql commands.
The operational impact of this vulnerability extends beyond simple data theft, as remote attackers can execute arbitrary sql commands against the underlying database system. This capability allows threat actors to perform unauthorized data manipulation, including data extraction, modification, or deletion operations. The vulnerability affects the database integrity and confidentiality by enabling attackers to bypass authentication mechanisms and access sensitive information stored within the classified listings system. The attack surface is particularly concerning given that the vulnerability can be exploited without requiring any authentication credentials, making it an attractive target for automated scanning and exploitation tools. According to the attack technique framework, this vulnerability aligns with ATT&CK technique T1071.004, which covers application layer protocol manipulation, specifically targeting web application interfaces for data access and manipulation.
The technical exploitation of CVE-2007-2675 requires minimal prerequisites, as attackers only need to craft malicious payloads targeting the category parameter in the search.php endpoint. This vulnerability demonstrates poor input validation practices where user-supplied data flows directly into sql queries without proper sanitization. The application's failure to implement parameterized queries or prepared statements creates an environment where sql injection attacks can succeed. Security professionals should note that this vulnerability represents a fundamental flaw in the application's data handling architecture, where user input is treated as executable code rather than data. The impact is particularly severe in environments where the web application operates with elevated database privileges, potentially allowing attackers to escalate their access and compromise entire database systems.
Mitigation strategies for CVE-2007-2675 should prioritize immediate implementation of input validation and sanitization measures, including the adoption of parameterized queries or prepared statements to separate sql code from user data. Organizations should implement proper output encoding and input filtering mechanisms to prevent malicious payloads from being processed as sql commands. The recommended remediation approach involves updating the search.php script to properly validate and sanitize all user inputs, particularly the category parameter, through established security protocols. Security measures should also include web application firewall rules to detect and block suspicious sql injection patterns targeting the vulnerable endpoint. Additionally, implementing least privilege database access controls and regular security assessments can help reduce the overall risk exposure associated with this vulnerability. The vulnerability serves as a critical reminder of the importance of secure coding practices and proper input validation in preventing sql injection attacks that can compromise entire database systems.