CVE-2017-3221 in AmosConnect
Summary
by MITRE
Blind SQL injection in the AmosConnect 8 login form allows remote attackers to access user credentials, including user names and passwords.
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Analysis
by VulDB Data Team • 12/25/2024
The vulnerability identified as CVE-2017-3221 represents a critical blind sql injection flaw within the AmosConnect 8 login form implementation. This security weakness resides in the authentication mechanism of the AmosConnect software suite, specifically affecting version 8 of the system. The vulnerability allows remote attackers to execute unauthorized database queries against the underlying database system without direct feedback, making it particularly dangerous as it operates silently without revealing the results of the injection attempts. The flaw stems from inadequate input validation and sanitization within the login form processing logic, where user-provided credentials are directly incorporated into database query construction without proper escaping or parameterization techniques.
The technical exploitation of this vulnerability occurs through carefully crafted input within the login form fields that manipulate the sql query structure. Attackers can construct malicious inputs that, when processed by the vulnerable application, alter the intended database query execution path. This blind injection approach means that attackers cannot directly observe the database responses but can infer information through indirect methods such as timing variations or different response behaviors. The vulnerability specifically targets the authentication layer, allowing threat actors to potentially extract user credentials including usernames and passwords from the underlying database. According to CWE standards, this maps to CWE-89 which describes sql injection vulnerabilities, and the blind nature of the attack aligns with CWE-110 which addresses blind sql injection techniques. The attack pattern follows the methodology outlined in the mitre ATT&CK framework under the credential access tactic, specifically targeting the credential dumping technique where adversaries seek to obtain credentials from database systems.
The operational impact of this vulnerability extends beyond simple credential theft to potentially compromise the entire authentication infrastructure of systems utilizing AmosConnect 8. Successful exploitation could lead to unauthorized access to sensitive user accounts, enabling attackers to perform actions as legitimate users within the system. The extracted credentials might provide access to additional systems if users reuse passwords across multiple platforms, creating a cascading security risk. Organizations relying on this vulnerable software face potential data breaches, regulatory compliance violations, and reputational damage. The vulnerability affects the confidentiality and integrity of the authentication system, potentially allowing attackers to modify user accounts or escalate privileges within the system. System administrators and security teams must consider that this vulnerability could serve as an initial access vector for more sophisticated attacks, particularly in environments where AmosConnect 8 is integrated with other enterprise systems. The lack of immediate feedback in blind sql injection makes this vulnerability particularly challenging to detect through routine security scanning, as the malicious activity may appear as normal database operations until comprehensive forensic analysis reveals the unauthorized access patterns.
Mitigation strategies for CVE-2017-3221 should focus on immediate patching of the AmosConnect 8 software to address the underlying sql injection vulnerability. Organizations should implement proper input validation and sanitization measures that prevent malicious sql characters from being processed within the login form. The implementation of prepared statements or parameterized queries should be mandatory for all database interactions within the application. Security teams should also deploy web application firewalls and intrusion detection systems that can monitor for sql injection patterns and anomalous database access behaviors. Network segmentation and access controls should be implemented to limit the potential impact if an attacker successfully exploits the vulnerability. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications within the organization. The vulnerability highlights the importance of following secure coding practices and adhering to the principle of least privilege in database access permissions. Organizations should also implement robust logging and monitoring of authentication activities to detect potential exploitation attempts and maintain audit trails for forensic analysis. Additionally, user education regarding password security and the importance of unique credentials across different systems should be emphasized as part of the overall security posture to minimize the potential impact of credential theft.