CVE-2012-0824 in gnusound
Summary
by MITRE
gnusound 0.7.5 has format string issue
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Analysis
by VulDB Data Team • 02/23/2024
The vulnerability identified as CVE-2012-0824 affects gnusound version 0.7.5 and represents a classic format string vulnerability that can lead to arbitrary code execution. This issue stems from improper input validation within the application's handling of user-supplied data, specifically when processing format strings in printf-like functions. The flaw allows attackers to manipulate the format string parameters and potentially execute malicious code with the privileges of the affected application. Such vulnerabilities are particularly dangerous because they can be exploited to bypass security mechanisms and gain unauthorized access to system resources.
The technical implementation of this vulnerability involves the application's failure to properly sanitize user input before using it in format string operations. When gnusound processes user-provided data through functions that expect format specifiers, an attacker can inject malicious format specifiers that trigger unintended behavior. This type of vulnerability maps directly to CWE-134, which specifically addresses the use of user-supplied format strings in functions like printf, sprintf, or fprintf without proper validation or sanitization. The vulnerability exists in the application's string handling routines where it fails to validate that input data does not contain format specifiers that could be exploited for memory corruption or code execution.
The operational impact of CVE-2012-0824 extends beyond simple privilege escalation, as it can enable attackers to perform various malicious activities including arbitrary code execution, information disclosure, and system compromise. An attacker who successfully exploits this vulnerability could potentially execute commands on the target system with the same privileges as the gnusound application, which might be running with elevated permissions. This vulnerability aligns with ATT&CK technique T1059, which covers command and scripting interpreters, as the exploitation would likely involve injecting and executing malicious code. The vulnerability also relates to T1068, which covers exploit for privilege escalation, as the compromised application could be used as a foothold for further system infiltration.
Mitigation strategies for this vulnerability should include immediate patching of the gnusound application to version 0.7.6 or later, which contains the necessary fixes for the format string handling. System administrators should also implement input validation controls and sanitize all user-supplied data before processing, particularly when using printf-family functions. Additional defensive measures include implementing proper access controls, running the application with reduced privileges, and monitoring for suspicious format string usage patterns in system logs. The vulnerability demonstrates the critical importance of proper input validation and parameter sanitization in preventing format string exploits, as outlined in industry best practices for secure coding and the OWASP Top Ten security risks. Organizations should also consider implementing application whitelisting and runtime protection mechanisms to detect and prevent exploitation attempts against known vulnerable applications.