CVE-2006-6208 in eClassifieds
Summary
by MITRE
Multiple SQL injection vulnerabilities in Enthrallweb eClassifieds allow remote attackers to execute arbitrary SQL commands via the (1) AD_ID, (2) cat_id, (3) sub_id, and (4) ad_id parameters to (a) ad.asp, the (5) cid parameter to (b) dircat.asp, and the (6) sid parameter to (c) dirSub.asp.
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Analysis
by VulDB Data Team • 09/12/2024
The vulnerability identified as CVE-2006-6208 represents a critical SQL injection flaw within the Enthrallweb eClassifieds web application that exposes multiple attack vectors through various parameter inputs. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications. The affected parameters include AD_ID, cat_id, sub_id, ad_id in the ad.asp file, cid in dircat.asp, and sid in dirSub.asp, all of which process user-supplied input without adequate sanitization or validation mechanisms.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user input before incorporating it into SQL query strings. When attackers manipulate these specific parameters through HTTP requests, they can inject malicious SQL code that gets executed by the underlying database engine. This occurs because the web application directly concatenates user-provided values into SQL statements without proper input filtering or prepared statement usage. The attack surface expands across multiple endpoints, allowing threat actors to target different sections of the classifieds system through various entry points.
The operational impact of this vulnerability is severe and multifaceted, as it provides remote attackers with the capability to execute arbitrary SQL commands on the affected database server. Attackers can potentially extract sensitive information including user credentials, personal data, and system configurations from the database. The vulnerability enables privilege escalation scenarios where attackers might gain administrative access to the database, allowing them to modify or delete critical information. Additionally, the exposure of database contents could lead to data breaches, service disruption, and potential system compromise that affects the entire classifieds platform infrastructure.
Security mitigations for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application code. The recommended approach involves converting all dynamic SQL queries to use prepared statements or parameterized queries that separate the SQL command structure from the user input data. Input sanitization measures including whitelisting of valid characters and length restrictions should be implemented for all vulnerable parameters. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth measures. Regular security code reviews and penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire application stack. The vulnerability also aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications and T1071.004 for application layer protocols, emphasizing the need for comprehensive security controls across multiple attack surface areas.