CVE-2009-2384 in PEamp
Summary
by MITRE
Buffer overflow in amp.exe in Brothersoft PEamp 1.02b allows user-assisted remote attackers to execute arbitrary code via a long string in a .m3u playlist file. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 12/02/2024
The vulnerability identified as CVE-2009-2384 represents a critical buffer overflow flaw in the amp.exe component of Brothersoft PEamp version 1.02b. This issue resides within the media player's handling of playlist files, specifically targeting the .m3u format which is commonly used for organizing multimedia content. The buffer overflow occurs when the application processes a maliciously crafted .m3u file containing an excessively long string, creating a condition where memory boundaries are exceeded and potentially allowing arbitrary code execution. The vulnerability is classified as user-assisted remote, meaning that an attacker must convince a user to open a specifically crafted playlist file, but once executed, the consequences can be severe.
From a technical perspective, this buffer overflow vulnerability maps directly to CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The flaw manifests when the amp.exe application fails to properly validate the length of strings contained within the .m3u playlist file before copying them into fixed-size memory buffers. This classic memory corruption vulnerability provides attackers with the opportunity to overwrite return addresses, function pointers, or other critical memory structures, enabling them to redirect program execution flow and ultimately execute malicious code with the privileges of the affected application. The vulnerability demonstrates poor input validation practices that violate fundamental secure coding principles.
The operational impact of CVE-2009-2384 extends beyond simple code execution, as it provides attackers with a potential foothold for more sophisticated attacks within affected systems. When a user opens a malicious .m3u file, the buffer overflow can be exploited to execute shellcode that may download additional malware, establish backdoors, or perform other malicious activities. This vulnerability particularly affects systems running Brothersoft PEamp 1.02b and similar media players that employ the same flawed parsing logic for playlist files. The attack vector through playlist files represents a common technique used in social engineering campaigns, as users often trust media files and playlist organizations from seemingly legitimate sources. The vulnerability also aligns with ATT&CK technique T1059.007, which covers command and scripting interpreter usage, as successful exploitation could enable attackers to execute commands through the compromised media player application.
Mitigation strategies for CVE-2009-2384 should focus on immediate patching of the Brothersoft PEamp application to address the buffer overflow vulnerability. System administrators should implement strict file type restrictions and validate all playlist files before execution, particularly in enterprise environments where users may encounter untrusted content. Network-based protections can include filtering .m3u files at network boundaries and implementing content inspection mechanisms to detect potentially malicious playlist structures. Users should be educated about the risks of opening playlist files from untrusted sources and encouraged to maintain updated media player software. Additionally, the vulnerability highlights the importance of input validation and bounds checking in application development, with recommendations to implement stack canaries, address space layout randomization, and other exploit mitigation techniques. The issue also underscores the necessity of regular security assessments and vulnerability scanning to identify similar buffer overflow conditions in other media player applications and multimedia processing components that may be susceptible to similar attacks through playlist or configuration file parsing.