CVE-2004-0149 in Xboing
Summary
by MITRE
Multiple buffer overflows in xboing before 2.4 allow local users to gain privileges.
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Analysis
by VulDB Data Team • 09/03/2019
The vulnerability identified as CVE-2004-0149 represents a critical security flaw affecting the xboing application version 2.3 and earlier. This issue stems from multiple buffer overflow conditions that exist within the software's codebase, specifically within the xboing game application that was widely used in unix and linux environments during the early 2000s. The vulnerability was particularly concerning as it affected a relatively common desktop application that many users would have installed and executed on their systems.
The technical implementation of this vulnerability involves multiple buffer overflow scenarios that occur when the application processes user input or configuration data. These buffer overflows are classic examples of improper input validation and memory management flaws that allow attackers to write data beyond the allocated memory boundaries. The flaw manifests when the application handles certain parameters or configuration files without adequate bounds checking, leading to memory corruption that can be exploited by malicious actors. According to CWE standards, this vulnerability maps to CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflows. The specific nature of these buffer overflows means that they can be triggered through normal application usage patterns, making them particularly dangerous as they don't require specialized attack vectors.
The operational impact of this vulnerability is severe as it provides local users with the potential to escalate their privileges on affected systems. When exploited successfully, these buffer overflows can allow attackers to execute arbitrary code with elevated privileges, potentially leading to complete system compromise. The privilege escalation occurs because the vulnerable application likely runs with elevated permissions or has mechanisms that allow for privilege elevation upon execution. Attackers can leverage these buffer overflows to overwrite critical memory locations, including return addresses or function pointers, thereby redirecting program execution flow to malicious code. This type of vulnerability directly maps to ATT&CK technique T1068, which describes the use of local privilege escalation techniques, and T1059, which covers command and scripting interpreter usage for exploitation purposes.
The exploitation of CVE-2004-0149 requires local access to the system, meaning that an attacker must already have user-level access to the target machine. However, the implications are significant as local privilege escalation vulnerabilities are often used as stepping stones for broader attacks within compromised networks. Once an attacker successfully exploits this vulnerability, they can potentially gain root or administrator privileges, allowing them to modify system files, install backdoors, or exfiltrate sensitive data. The vulnerability's persistence across multiple buffer overflow conditions means that exploit development is relatively straightforward, as attackers can choose from several potential attack vectors. System administrators should note that this vulnerability affects the application's configuration handling and input processing, making it particularly relevant for environments where users might interact with the application's configuration files or provide input through its interface.
Mitigation strategies for CVE-2004-0149 focus primarily on updating to the patched version of xboing 2.4 or later, which addresses the buffer overflow conditions through proper bounds checking and memory management. Additionally, system administrators should implement proper access controls to limit local user privileges and ensure that only authorized personnel have access to systems running vulnerable versions of the application. The vulnerability highlights the importance of input validation and proper memory management in software development, serving as a reminder of the critical need for secure coding practices. Organizations should also consider implementing application whitelisting policies to prevent execution of vulnerable applications, and maintain regular patch management procedures to address similar vulnerabilities in other software components. The vulnerability demonstrates why organizations must maintain comprehensive security awareness programs, as local privilege escalation vulnerabilities often go unnoticed until exploited by attackers with insider access or those who have already compromised other system components.