CVE-2008-4087 in Beatcraft
Summary
by MITRE
Stack-based buffer overflow in Acoustica Beatcraft 1.02 Build 19 allows user-assisted attackers to cause a denial of service or execute arbitrary code via a Beatcraft Project (aka bcproj) file with a long string in a certain instruments title field.
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2008-4087 represents a critical stack-based buffer overflow flaw within Acoustica Beatcraft version 1.02 Build 19, a digital audio editing software application. This security weakness resides in the software's handling of Beatcraft Project files with extension bcproj, specifically when processing instrument title fields that contain excessively long string data. The flaw constitutes a classic buffer overflow condition where insufficient input validation allows an attacker to overwrite adjacent memory locations on the stack, potentially leading to arbitrary code execution or system instability.
The technical implementation of this vulnerability demonstrates poor input sanitization practices within the application's file parsing routines. When Acoustica Beatcraft attempts to process a bcproj file containing an overly long string in the instruments title field, the software fails to properly bounds-check the input data before copying it into a fixed-size stack buffer. This lack of proper validation creates a scenario where attacker-controlled data can overflow the allocated buffer space, corrupting adjacent memory locations including return addresses and stack frame metadata. The vulnerability operates under CWE-121, which categorizes stack-based buffer overflow conditions, and aligns with ATT&CK technique T1059.007 for command and scripting interpreter usage, as successful exploitation could enable attackers to execute malicious code within the application context.
The operational impact of this vulnerability extends beyond simple denial of service scenarios to encompass potential remote code execution capabilities. An attacker could craft a malicious bcproj file containing a specially constructed long string in the instrument title field, which when opened by an unsuspecting user would trigger the buffer overflow condition. This user-assisted attack vector reduces the complexity of exploitation since the victim must only open the malicious file, making the vulnerability particularly dangerous in environments where users frequently exchange audio project files. The consequences include complete system compromise, data loss, and potential lateral movement within network environments where the vulnerable software is deployed.
Mitigation strategies for CVE-2008-4087 should prioritize immediate software updates from the vendor, as Acoustica Beatcraft version 1.02 Build 19 was superseded by versions containing proper input validation mechanisms. System administrators should implement strict file validation policies, particularly for audio project files received from external sources, and consider deploying application whitelisting solutions to restrict execution of vulnerable software. Network segmentation and user access controls can limit the potential impact of successful exploitation, while regular security audits should verify that all instances of the vulnerable software have been properly updated. Additionally, implementing intrusion detection systems capable of identifying suspicious file parsing activities and maintaining comprehensive backup procedures ensures rapid recovery from potential exploitation attempts. The vulnerability serves as a reminder of the critical importance of input validation and proper memory management in preventing buffer overflow exploits that can lead to complete system compromise.