PT-2016-3098 · Ami · Ami Usbrt Microcode

Publicado 2016-10-03 · Atualizado 2016-10-03

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Média

Vetor base

AV:L/AC:H/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions AMI UsbRt microcode versions (affected versions not specified)

Description The issue is related to errors in the System Management Interrupt (SMI) handler of the AMI UsbRt microcode for Intel NUC motherboards. Exploitation of this issue can allow a local attacker to gain full control over the system by executing arbitrary code in System Management Mode (SMM), potentially leading to disabling of flash memory write protection, installation of third-party microcode, disabling of Secure Boot, and other malicious actions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Enumeração de Fraquezas

CWE-17

Identificadores relacionados

BDU:2017-00760

Produtos afetados

Ami Usbrt Microcode

Referências · 4

• https://github.com/Cr4sh/Aptiocalypsis · Nota
• https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00057&languageid=en-fr · Nota
• http://blog.cr4.sh/2016/10/exploiting-ami-aptio-firmware.html · Nota
• https://bdu.fstec.ru/vul/2017-00760 · Nota de Segurança