SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-35608

A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.07.

HIGH 7.8EPSS 4.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.07. A specially crafted AF_PACKET socket can cause a process to create an executable memory mapping with controllable content. An attacker can execute a shellcode that uses the PACKET_MMAP functionality to trigger this vulnerability.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
4.04% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-74
Affected
microsoft/azure sphere
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.