CVE-2012-4054 in Autorun Killer
Summary
by MITRE
Buffer overflow in the readfile function in CPE17 Autorun Killer 1.7.1 and earlier allows physically proximate attackers to execute arbitrary code via a crafted inf file.
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Analysis
by VulDB Data Team • 08/10/2025
The vulnerability identified as CVE-2012-4054 represents a critical buffer overflow flaw within the CPE17 Autorun Killer software version 1.7.1 and earlier. This security weakness resides in the readfile function of the application, which processes inf files commonly used for Windows driver installations and system configuration. The buffer overflow occurs when the software fails to properly validate the length of data read from crafted inf files, creating an opportunity for malicious code execution. The vulnerability is particularly concerning because it can be exploited by attackers who have physical proximity to the target system, eliminating the need for network-based attack vectors. This proximity requirement aligns with attack patterns classified under the MITRE ATT&CK framework as privilege escalation techniques, specifically targeting local system access through malicious file manipulation. The flaw demonstrates a classic buffer overflow vulnerability that falls under CWE-121, which describes conditions where insufficient boundary checking allows memory to be overwritten.
The technical implementation of this vulnerability involves the improper handling of input data within the readfile function, where the software does not enforce adequate bounds checking on the inf file content. When an attacker crafts a malicious inf file with excessive data, the buffer allocated for reading the file contents becomes overflowed, potentially overwriting adjacent memory locations including return addresses and function pointers. This memory corruption allows attackers to redirect program execution flow and inject arbitrary code into the running process. The exploit requires physical access to the target system because the vulnerability is triggered during the normal operation of the Autorun Killer software when it processes potentially malicious inf files. The attack scenario typically involves an attacker placing a malicious USB device or other removable media containing the crafted inf file, which the software then processes automatically during system operations.
The operational impact of CVE-2012-4054 extends beyond simple code execution to encompass potential system compromise and data exfiltration capabilities. Since the vulnerability allows for arbitrary code execution within the context of the Autorun Killer process, attackers could leverage this privilege to install persistent backdoors, modify system configurations, or access sensitive data stored on the compromised system. The proximity requirement does not limit the attack surface significantly, as physical access often occurs in environments where users are least suspicious of malicious activities. Organizations using affected versions of CPE17 Autorun Killer face potential risks from insider threats or social engineering attacks where attackers gain physical access to target systems. The vulnerability's impact is further amplified by the fact that Autorun Killer software is designed to automatically process and handle various system files, making it an attractive target for exploitation.
Mitigation strategies for CVE-2012-4054 focus primarily on software updates and operational security measures. The most effective solution involves upgrading to a patched version of CPE17 Autorun Killer that addresses the buffer overflow vulnerability through proper input validation and bounds checking. Organizations should implement strict file validation policies that prevent automatic execution of untrusted inf files, particularly those that might be introduced through removable media. Network segmentation and endpoint protection solutions can provide additional layers of defense by monitoring for suspicious file processing activities and blocking known malicious file patterns. Security awareness training for personnel can help reduce the risk of physical access attacks through social engineering tactics. The vulnerability also highlights the importance of input validation practices and proper memory management techniques in software development, as outlined in secure coding guidelines and industry standards. Organizations should also consider implementing application whitelisting policies that restrict execution of unauthorized software, particularly in environments where physical access controls may be compromised. Regular vulnerability assessments and penetration testing can help identify similar buffer overflow vulnerabilities in other system components that may not have been previously detected.