CVE-2005-3588 in Advanced Guestbook
Summary
by MITRE
SQL injection vulnerability in admin.php in Advanced Guestbook 2.2 allows remote attackers to execute arbitrary SQL commands and gain privileges via the username field.
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Analysis
by VulDB Data Team • 07/26/2017
The vulnerability described in CVE-2005-3588 represents a critical sql injection flaw within the advanced guestbook 2.2 web application's administrative interface. This vulnerability specifically targets the username field in the admin.php script, creating an avenue for remote attackers to manipulate the underlying database operations. The flaw exists due to insufficient input validation and sanitization of user-supplied data before incorporating it into sql queries. When an attacker submits malicious input through the username field, the application fails to properly escape or filter special sql characters, allowing the attacker to inject arbitrary sql commands that execute with the privileges of the web application's database user. This type of vulnerability falls under the common weakness enumeration category of cwe-89 sql injection, which is classified as a high severity issue in the owasp top ten web application security risks. The attack vector is particularly concerning as it allows for remote code execution and privilege escalation without requiring authentication to the administrative interface.
The operational impact of this vulnerability extends beyond simple data theft or modification. An attacker who successfully exploits this sql injection flaw can gain unauthorized access to the entire database backend, potentially allowing for complete system compromise. The administrative privileges granted through this vulnerability enable attackers to manipulate user accounts, modify guestbook entries, and potentially access sensitive information stored in the database. This vulnerability also opens pathways for further attacks within the network infrastructure, as database credentials and application configuration details may be exposed through sql injection techniques. The exploitability of this vulnerability is relatively straightforward, requiring only basic sql injection knowledge and access to the vulnerable web application. The attack can be executed through standard web browser tools or automated sql injection frameworks, making it accessible to attackers of varying skill levels.
Mitigation strategies for CVE-2005-3588 must address both immediate remediation and long-term security hardening of the affected system. The primary solution involves implementing proper input validation and parameterized queries to prevent sql injection attacks. All user-supplied data should be sanitized and validated before processing, with special sql characters properly escaped or filtered. The application should utilize prepared statements or stored procedures that separate sql code from data, eliminating the possibility of sql command injection. Additionally, implementing proper access controls and authentication mechanisms can limit the impact of such vulnerabilities by reducing the attack surface. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for sql injection attempts. The vulnerability aligns with several attack techniques documented in the mitre att&ck framework under the command and control and credential access domains, particularly the use of sql injection for privilege escalation and data exfiltration. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other components of the system. System administrators should also ensure that the advanced guestbook 2.2 application is updated to the latest version or replaced with a more secure alternative to prevent exploitation of this known vulnerability.