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Old 04-16-2018, 09:55 AM   #1
SRTDodge05
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Intel faces another CPU bug

Intel has fixed a hole in the configuration of several CPU series that allow an attacker to alter the behaviour of the chip's SPI Flash memory.

Lenovo recently deployed the Intel fixes and wrote in its bog that the configuration of the system firmware device (SPI flash) could allow an attacker to block BIOS/UEFI updates, or to selectively erase or corrupt portions of the firmware.

Most of the time you would get a visible malfunction, but the bug "could in rare circumstances result in arbitrary code execution".

Intel deployed fixes for this vulnerability (CVE-2017-5703) on April 3. The chipset maker says the following CPU series utilize unsafe opcodes that allow local attackers to take advantage of this security bug:

8th generation Intel Core Processors
7th generation Intel Core Processors
6th generation Intel Core Processors
5th generation Intel Core Processors
Intel Pentium and Celeron Processor N3520, N2920, and N28XX
Intel Atom Processor x7-Z8XXX, x5-8XXX Processor Family
Intel Pentium Processor J3710 and N37XX
Intel Celeron Processor J3XXX
Intel Atom x5-E8000 Processor
Intel Pentium Processor J4205 and N4200
Intel Celeron Processor J3455, J3355, N3350, and N3450
Intel Atom Processor x7-E39XX Processor
Intel Xeon Scalable Processors
Intel Xeon Processor E3 v6 Family
Intel Xeon Processor E3 v5 Family
Intel Xeon Processor E7 v4 Family
Intel Xeon Processor E7 v3 Family
Intel Xeon Processor E7 v2 Family
Intel Xeon Phi Processor x200
Intel Xeon Processor D Family
Intel Atom Processor C Series

Intel faces another CPU bug
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Old 04-16-2018, 10:32 AM   #2
fvbounty
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Re: Intel faces another CPU bug

Where have you been? Looks like Intel is at it again....does these vulnerabilities need access to you machine? Good morning...
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Old 04-16-2018, 10:46 AM   #3
SRTDodge05
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Re: Intel faces another CPU bug

All the info I could find on it.
CVE-2017-5703 - Unsafe Opcodes exposed in Intel SPI based products - Windows 10 Forums
Intel CPU SPI Flash denial of service [CVE-2017-5703]
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