Integer overflow in the cswinkernelmalloc function in winkernel_mm.c in Capstone 3.0.4 and earlier allows attackers to cause a denial of service (heap-based buffer overflow in a kernel driver) or possibly have unspecified other impact via a large value.
{ "vanir_signatures": [ { "signature_version": "v1", "signature_type": "Line", "target": { "file": "windows/winkernel_mm.c" }, "deprecated": false, "digest": { "line_hashes": [ "331421095236088974240939207082651457896", "26141748944074518931480929965628406728", "95820818226443039693097938414962905137", "116558242482712798238222381980312680457", "299763978166784540046880263981008656968", "115219685334755051106185114443715803301", "9152360951771229736369403315931431559" ], "threshold": 0.9 }, "id": "CVE-2017-6952-14b41878", "source": "https://github.com/capstone-engine/capstone/commit/6fe86eef621b9849f51a5e1e5d73258a93440403" }, { "signature_version": "v1", "signature_type": "Function", "target": { "file": "windows/winkernel_mm.c", "function": "cs_winkernel_malloc" }, "deprecated": false, "digest": { "length": 271.0, "function_hash": "39689219605772159528049114784671918225" }, "id": "CVE-2017-6952-9f1e2663", "source": "https://github.com/capstone-engine/capstone/commit/6fe86eef621b9849f51a5e1e5d73258a93440403" } ] }