CVE-2006-6358 in online-bookmarks
Summary
by MITRE
SQL injection vulnerability in the login function in auth.inc in Stefan Frech online-bookmarks 0.6.12 allows remote attackers to execute arbitrary SQL commands via the (1) username and possibly the (2) password parameter. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/24/2019
The vulnerability identified as CVE-2006-6358 represents a critical SQL injection flaw within the authentication mechanism of Stefan Frech online-bookmarks version 0.6.12. This vulnerability resides in the auth.inc file's login function, where inadequate input validation permits malicious actors to inject arbitrary SQL commands through the username parameter, with potential impact extending to the password parameter as well. The flaw fundamentally compromises the application's database security by allowing unauthorized users to manipulate database queries through crafted input sequences.
The technical exploitation of this vulnerability occurs through the manipulation of input fields within the login process where user credentials are processed. When the application receives user input for username and password, it fails to properly sanitize or escape special characters that could alter the intended SQL query structure. This lack of input sanitization creates an opening for attackers to inject malicious SQL syntax that gets executed within the database context, potentially allowing full database access, data extraction, or even database modification capabilities. The vulnerability specifically affects the authentication flow where the application constructs SQL queries dynamically based on user-provided credentials.
The operational impact of this vulnerability extends beyond simple credential theft, as it provides attackers with potential database-level access that could result in complete system compromise. An attacker could exploit this flaw to extract sensitive information from the database, modify user accounts, or even escalate privileges within the application environment. The remote nature of the attack means that adversaries do not require local system access or physical presence to exploit the vulnerability, making it particularly dangerous for web applications. This type of vulnerability directly violates the principle of least privilege and can lead to unauthorized data access, data integrity compromise, and potential system availability issues.
The vulnerability aligns with CWE-89, which specifically addresses SQL injection weaknesses in software applications, and demonstrates characteristics consistent with the attack patterns documented in the MITRE ATT&CK framework under the technique of "SQL Injection" (T1071.005). Organizations affected by this vulnerability should immediately implement input validation measures including parameterized queries, prepared statements, and proper input sanitization. The recommended mitigations include updating to patched versions of the software, implementing proper database access controls, and conducting comprehensive security reviews of all authentication mechanisms. Additionally, network segmentation and intrusion detection systems should be employed to monitor for exploitation attempts, while regular security audits should verify that similar vulnerabilities do not exist in other application components.