Heap-Based Buffer Over-Read Vulnerability in UPX 4.0.0 via Crafted Mach-O File

Heap-Based Buffer Over-Read Vulnerability in UPX 4.0.0 via Crafted Mach-O File

CVE-2020-27799 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

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