CVE-2007-0018 in BearShare
Summary
by MITRE
Stack-based buffer overflow in the NCTAudioFile2.AudioFile ActiveX control (NCTAudioFile2.dll), as used by multiple products, allows remote attackers to execute arbitrary code via a long argument to the SetFormatLikeSample function. NOTE: the products include (1) NCTsoft NCTAudioStudio, NCTAudioEditor, and NCTDialogicVoice; (2) Magic Audio Recorder, Music Editor, and Audio Converter; (3) Aurora Media Workshop; DB Audio Mixer And Editor; (4) J. Hepple Products including Fx Audio Editor and others; (5) EXPStudio Audio Editor; (6) iMesh; (7) Quikscribe; (8) RMBSoft AudioConvert and SoundEdit Pro 2.1; (9) CDBurnerXP; (10) Code-it Software Wave MP3 Editor and aBasic Editor; (11) Movavi VideoMessage, DVD to iPod, and others; (12) SoftDiv Software Dexster, iVideoMAX, and others; (13) Sienzo Digital Music Mentor (DMM); (14) MP3 Normalizer; (15) Roemer Software FREE and Easy Hi-Q Recorder, and Easy Hi-Q Converter; (16) Audio Edit Magic; (17) Joshua Video and Audio Converter; (18) Virtual CD; (19) Cheetah CD and DVD Burner; (20) Mystik Media AudioEdit Deluxe, Blaze Media, and others; (21) Power Audio Editor; (22) DanDans Digital Media Full Audio Converter, Music Editing Master, and others; (23) Xrlly Software Text to Speech Makerand Arial Sound Recorder / Audio Converter; (24) Absolute Sound Recorder, Video to Audio Converter, and MP3 Splitter; (25) Easy Ringtone Maker; (26) RecordNRip; (27) McFunSoft iPod Audio Studio, Audio Recorder for Free, and others; (28) MP3 WAV Converter; (29) BearShare 6.0.2.26789; and (30) Oracle Siebel SimBuilder and CRM 7.x.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2007-0018 represents a critical stack-based buffer overflow within the NCTAudioFile2.AudioFile ActiveX control, specifically manifested in the NCTAudioFile2.dll component. This flaw exists within a widely distributed audio processing software ecosystem that encompasses over thirty distinct applications across multiple software vendors. The vulnerability is particularly concerning because it affects ActiveX controls that are frequently integrated into web browsers and multimedia applications, creating an expansive attack surface that extends far beyond the individual software products mentioned in the vulnerability description.
The technical exploitation of this vulnerability occurs through a carefully crafted malicious argument passed to the SetFormatLikeSample function within the ActiveX control. This function fails to properly validate input parameters, allowing attackers to overflow the allocated stack buffer and overwrite adjacent memory locations. The buffer overflow enables arbitrary code execution with the privileges of the victim user, effectively providing attackers with a complete compromise of the affected system. This type of vulnerability maps directly to CWE-121, which describes stack-based buffer overflow conditions, and aligns with ATT&CK technique T1059.007 for execution through ActiveX components.
The operational impact of this vulnerability extends across numerous audio editing, recording, and conversion applications that incorporate the vulnerable ActiveX control. The widespread adoption of this control across different software vendors and product lines creates a significant risk profile, as exploitation can occur through various attack vectors including malicious web pages, email attachments, or compromised software installations. The vulnerability affects both consumer and enterprise software, with some products like Oracle Siebel SimBuilder and CRM 7.x being particularly concerning due to their potential use in business-critical environments. This widespread distribution means that a single vulnerability can affect thousands of users across different software ecosystems, making it a prime target for mass exploitation campaigns.
Mitigation strategies for this vulnerability must address both the immediate remediation needs and long-term security posture improvements. Software vendors should immediately release patches that correct the buffer overflow in the NCTAudioFile2.dll component, implementing proper input validation and bounds checking mechanisms. Users should disable ActiveX controls in web browsers when not explicitly required, and maintain up-to-date antivirus signatures that can detect exploitation attempts. System administrators should consider implementing application whitelisting policies that restrict execution of known vulnerable applications until patches are deployed. Additionally, network segmentation and intrusion detection systems should be configured to monitor for suspicious ActiveX-related network traffic patterns. The vulnerability highlights the importance of proper input validation and memory safety practices, particularly in legacy software components that continue to be distributed and used in modern computing environments. Organizations should conduct comprehensive inventory assessments to identify all installations of affected software and prioritize remediation efforts based on risk exposure and business criticality.