CVE-2006-2139 in PHP Newsfeed
Summary
by MITRE
Multiple SQL injection vulnerabilities in PHP Newsfeed 20040723 allow remote attackers to execute arbitrary SQL commands via the (1) name parameter to (a) deltables.php, (2) select, (3) header, (4) url, (5) source, or (6) time parameters to (b) manualsubmit.php, (7) num parameter to (c) delete.php, or (8) tablename parameter to (d) searchnews.php.
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Analysis
by VulDB Data Team • 09/07/2017
The vulnerability described in CVE-2006-2139 represents a critical SQL injection flaw affecting PHP Newsfeed version 20040723, which allows remote attackers to execute arbitrary SQL commands through multiple input vectors. This vulnerability falls under the CWE-89 category of SQL Injection, a well-documented weakness that has been consistently ranked among the top cybersecurity risks by organizations like OWASP and NIST. The flaw exists due to inadequate input validation and sanitization mechanisms within the application's handling of user-supplied data, creating opportunities for malicious actors to manipulate database queries through carefully crafted payloads.
Multiple attack vectors have been identified within this vulnerability, each presenting distinct pathways for exploitation. The first vector involves the name parameter in deltables.php, while the second through sixth vectors target manualsubmit.php with parameters including select, header, url, source, and time. Additionally, the num parameter in delete.php and the tablename parameter in searchnews.php present further opportunities for attackers to inject malicious SQL code. These attack surfaces demonstrate a widespread failure in input validation across the application's core functionality, affecting database operations ranging from content deletion to news item submission and searching.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to gain unauthorized access to sensitive information, modify database content, or even escalate privileges within the affected system. The implications are particularly severe for newsfeed applications that handle user-generated content, as attackers could potentially delete critical database entries, inject malicious content, or extract confidential data through the compromised SQL injection points. This vulnerability directly aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1190 for exploit for lateral movement.
Mitigation strategies should focus on implementing comprehensive input validation and parameterized queries throughout the application codebase. Developers must ensure that all user inputs are properly sanitized and validated before being incorporated into SQL statements, with particular attention to the identified parameters in the vulnerable PHP files. The implementation of prepared statements and stored procedures would significantly reduce the risk of SQL injection, while proper access controls and database permissions can limit the potential damage from successful exploitation attempts. Organizations should also consider implementing web application firewalls and regular security assessments to identify and remediate similar vulnerabilities in their software infrastructure.