CVE-2009-4756 in Beatport Player
Summary
by MITRE
Stack-based buffer overflow in TraktorBeatport.exe 1.0.0.283 in Beatport Player 1.0.0.0 allows remote attackers to execute arbitrary code via a long string in a malformed playlist (.m3u) file.
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Analysis
by VulDB Data Team • 05/03/2026
The vulnerability identified as CVE-2009-4756 represents a critical stack-based buffer overflow flaw within the TraktorBeatport.exe component of Beatport Player version 1.0.0.0. This security weakness specifically manifests when the application processes malformed playlist files with extended string content, creating a condition where attacker-controlled data can overwrite adjacent memory locations on the program stack. The flaw exists due to inadequate input validation and bounds checking mechanisms within the playlist parsing routine, which fails to properly sanitize user-supplied data before copying it into fixed-size memory buffers. Such buffer overflow conditions are classified under CWE-121 as stack-based buffer overflow, where insufficient boundary checks allow memory corruption that can be exploited to execute arbitrary code with the privileges of the affected application. The vulnerability operates through a remote attack vector, meaning malicious actors can trigger the exploit without requiring local system access, making it particularly dangerous in networked environments where users might unknowingly open compromised playlist files. When an attacker crafts a malicious .m3u playlist file containing an excessively long string, the application's playlist parser fails to validate the input length, leading to memory corruption that can be leveraged to redirect program execution flow.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with potential access to the victim's system with the privileges of the Beatport Player application. This remote code execution capability enables adversaries to install malware, establish backdoors, or perform further reconnaissance activities within the compromised environment. The attack surface is particularly concerning because playlist files are commonly shared and distributed through various digital music platforms, making legitimate users susceptible to exploitation through social engineering or automated attacks. The vulnerability affects the specific version 1.0.0.283 of TraktorBeatport.exe, indicating that this was likely a targeted issue within a particular software release cycle, though similar flaws may have existed in other versions of the software. From an attack framework perspective, this vulnerability aligns with ATT&CK technique T1059.007 for command and script interpreter, as successful exploitation would allow execution of arbitrary commands on the target system. The exploitation process typically involves crafting a malicious playlist file with carefully constructed buffer overflow payload that, when opened by the vulnerable application, triggers the memory corruption and subsequent code execution.
Mitigation strategies for CVE-2009-4756 should focus on immediate patching of the affected software version, as the vendor likely released a security update addressing this specific vulnerability. Organizations should implement strict playlist file validation policies, particularly for files received from external sources or untrusted networks, and consider deploying network-based intrusion detection systems that can identify and block known malicious playlist file patterns. Application whitelisting solutions can help prevent execution of untrusted playlist files by restricting which applications can parse and execute media playlist data. Additionally, users should be educated about the risks of opening playlist files from unknown sources, as social engineering remains a primary attack vector for this class of vulnerability. System hardening measures including stack protection mechanisms, address space layout randomization, and data execution prevention should be enabled to make exploitation more difficult even if the underlying vulnerability remains unpatched. Regular security assessments and vulnerability scanning should be conducted to identify similar buffer overflow issues in other applications, as such flaws often indicate broader code quality issues that may affect multiple components within software systems. The remediation approach should also include monitoring for exploitation attempts and implementing proper incident response procedures to address potential compromise of systems that may have been exposed to this vulnerability before patching was applied.