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CVE-2018-4251

Status Candidate

Overview

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Firmware" component. It allows attackers to modify the EFI flash-memory region that a crafted app that has root access.

Related Files

Intel ME Manufacturing Mode Detection Tools
Posted Oct 4, 2018
Authored by Dmitry Sklyarov, Maxim Goryachy, Mark Ermolov | Site ptsecurity.com

Intel ME has a Manufacturing Mode designed to be used exclusively by motherboard manufacturers. This mode provides some additional opportunities that an attacker can take advantage of. When Manufacturing Mode is enabled, Intel ME allows execution of the command which makes the ME region writable via the SPI controller built into the motherboard. The ability to run code and send commands to Intel ME on the attacked system allows the attacker to rewrite the Intel ME firmware onto another version. So the attacker is able to deploy the firmware which is vulnerable to INTEL-SA-00086 and execute arbitrary code on Intel ME even if the system is patched. This archive contains Python 2.7 scripts for checking the state of the Intel ME Manufacturing Mode.

tags | tool, arbitrary, scanner, python
systems | unix
advisories | CVE-2018-4251
MD5 | 1a9b68acfbdb192e5529077542c33486
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