In the first part of this series, I detailed my journey into macOS security research, which led to the discovery of a type confusion vulnerability (CVE-2024-54529) and a double-free vulnerability (CVE-2025-31235) in the coreaudiod system daemon through a process I call knowledge-driven fuzzing. While the first post focused on the process of finding the vulnerabilities, this post dives into the intricate process of exploiting the type confusion vulnerability. I’ll explain the technical details of turning a potentially exploitable crash into a working exploit: a journey filled with dead ends, creative problem solving, and ultimately, success. The Vulnerability: A Quick Recap If you haven’t already, I highly recommend reading my detailed writeup on this vulnerability before proceeding. As a refresher, CVE-2024-54529 is a type confusion vulnerability within the com.apple.audio.audiohald Mach service in the CoreAudio framework used by the coreaudiod process. Several Mach message handlers, such as _XIOContext_Fetch_Workgroup_Port, would fetch a HALS_Object from the Object Map based on an ID from the Mach message, and then perform operations on it, assuming it was of a specific type (ioct) without proper validation.
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Breaking the Sound Barrier, Part II: Exploiting CVE-2024-54529
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Source Attribution
This intelligence summary is sourced from Google Project Zero and curated by CyberHawk Threat Intel for the security community. Read the complete article at the source link.
Read original at Google Project Zero →
This intelligence summary is sourced from Google Project Zero and curated by CyberHawk Threat Intel for the security community. Read the complete article at the source link.
Read original at Google Project Zero →
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