Improper access control in Intel SPI Flash - CVE-2017-5703

 

Improper access control in Intel SPI Flash - CVE-2017-5703

Published: April 10, 2018 / Updated: April 10, 2018


Vulnerability identifier: #VU11624
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5703
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Intel
Affected software:
Intel SPI Flash

Detailed vulnerability description

The vulnerability allows a local attacker to write arbitrary files and cause DoS condition on the target system.

The weakness exists due to improper access control. A local attacker can gain access to unsafe opcodes in SPI Flash, modify the behavior of the SPI Flash and cause the service to crash.

How to mitigate CVE-2017-5703

Install update from vendor's website.

Sources