CVE-2010-0980 in L4d Stats
Summary
by MITRE
SQL injection vulnerability in player.php in Left 4 Dead (L4D) Stats 1.1 allows remote attackers to execute arbitrary SQL commands via the steamid parameter.
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Analysis
by VulDB Data Team • 05/02/2026
The CVE-2010-0980 vulnerability represents a critical sql injection flaw in the player.php script of Left 4 Dead Stats version 1.1, a web application designed to track player statistics for the popular multiplayer game Left 4 Dead. This vulnerability specifically targets the steamid parameter, which serves as the primary identifier for player accounts within the game's statistics system. The flaw arises from insufficient input validation and sanitization mechanisms within the php application, allowing malicious actors to manipulate the database queries through crafted input data. The vulnerability exists in the context of web applications that interface with game statistics databases, where user-provided identifiers are directly incorporated into sql commands without proper escaping or parameterization.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted steamid parameter value that contains malicious sql payload within the player.php script. The application fails to properly validate or sanitize the steamid input before incorporating it into database queries, enabling attackers to inject arbitrary sql commands that execute with the privileges of the database user account. This type of vulnerability falls under the common weakness enumeration category CWE-89, which specifically addresses sql injection vulnerabilities. The attack vector is remote and does not require authentication, making it particularly dangerous as it can be exploited by anyone who can access the vulnerable web application. The vulnerability demonstrates poor input handling practices and violates fundamental secure coding principles that mandate proper parameterization of database queries.
The operational impact of CVE-2010-0980 extends beyond simple data theft, as successful exploitation could enable attackers to execute arbitrary commands on the underlying database server. This could result in complete database compromise, data exfiltration, modification of player statistics, or even potential privilege escalation to system-level access depending on the database configuration and user permissions. Attackers could retrieve sensitive player information including account details, game history, and potentially personal data associated with player accounts. The vulnerability also enables attackers to manipulate game statistics, potentially altering player rankings, achievements, or other recorded metrics. From an attacker's perspective, this vulnerability aligns with the attack technique described in the mitre att&ck framework under the category of command and control, where adversaries establish persistent access through database manipulation. The impact is particularly severe for game developers and server administrators who rely on these statistics systems for legitimate gameplay analytics and player tracking.
Mitigation strategies for CVE-2010-0980 must address both immediate remediation and long-term secure coding practices. The primary solution involves implementing proper input validation and parameterized queries to prevent sql injection attacks, which directly addresses the root cause of the vulnerability. Developers should utilize prepared statements or parameterized queries when interacting with database systems, ensuring that user input is properly escaped and treated as data rather than executable code. Additionally, the application should implement input sanitization routines that filter out potentially malicious characters and patterns from user-provided parameters. System administrators should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious sql injection patterns. The vulnerability highlights the importance of regular security audits and code reviews, particularly for applications handling user input that interfaces with databases. Organizations should also implement principle of least privilege for database accounts, ensuring that web applications use accounts with minimal required permissions to reduce the potential impact of successful exploitation. These measures align with industry best practices outlined in owasp top ten and other security frameworks that emphasize the need for robust input validation and secure database interaction patterns.