CVE-2006-0856 in SmE GB Host
Summary
by MITRE
SQL injection vulnerability in login.php in Scriptme SmE GB Host 1.21 allows remote attackers to execute arbitrary SQL commands and bypass authentication via the Username parameter.
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Analysis
by VulDB Data Team • 08/04/2017
The vulnerability identified as CVE-2006-0856 represents a critical SQL injection flaw within the Scriptme SmE GB Host 1.21 web application, specifically affecting the login.php script. This vulnerability exposes the application to remote code execution risks and authentication bypass capabilities through manipulation of the Username parameter. The flaw stems from inadequate input validation and sanitization practices within the application's authentication mechanism, creating a pathway for malicious actors to inject malicious SQL commands directly into the database query execution flow.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL queries without proper sanitization. In this case, the Username parameter in login.php fails to properly escape or parameterize user input before incorporating it into database queries. Attackers can exploit this by crafting malicious input strings that alter the intended SQL query structure, potentially executing arbitrary database commands and extracting sensitive information from the backend database. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous for remote attackers.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and unauthorized access. Successful exploitation allows attackers to bypass authentication mechanisms entirely, gaining access to administrative functions and user accounts without proper credentials. This can result in data breaches, unauthorized modifications to user accounts, and potential lateral movement within network environments where the vulnerable application resides. The vulnerability affects the confidentiality, integrity, and availability of the system, as attackers can manipulate database contents, delete records, or extract sensitive information including user credentials and personal data.
Mitigation strategies for this vulnerability should focus on implementing proper input validation, parameterized queries, and secure coding practices. Organizations should immediately apply the vendor-provided patch or upgrade to a newer version of the Scriptme SmE GB Host application that addresses this flaw. Additionally, implementing web application firewalls, input sanitization routines, and regular security code reviews can prevent similar vulnerabilities from occurring in other components. The remediation process should also include comprehensive testing to ensure that all user inputs are properly validated and escaped before being processed by database queries. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to industry standards such as those defined in the OWASP Top Ten and NIST guidelines for preventing SQL injection attacks. Organizations should also implement proper network segmentation and access controls to limit the potential impact of such vulnerabilities within their infrastructure.