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Lack of validation on data read from guest memory in Bitdefender HVI (VA-9333)

Publication date: December 17th, 2020

CVE ID:

CVE-2020-15292

CVSS scrore:

5.5 - https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected vendors:

Bitdefender

Affected products:

Bitdefender Hypervisor Introspection

Vulnerability details:

Lack of validation on data read from guest memory in IntPeGetDirectory, IntPeParseUnwindData, IntLogExceptionRecord, IntKsymExpandSymbol and IntLixTaskDumpTree may lead to out-of-bounds read or it could cause DoS due to integer-overflor (IntPeGetDirectory), TOCTOU (IntPeParseUnwindData) or insufficient validations.

Additional details:

The issue has been fixed in Introcore 1.132.2.

Credit:

Ilja Van Sprundel from IOActive