CVE-2020-35608

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 v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

4.04% chance of exploitation in the next 30 days, 90th percentile

Published

2020-12-22

Updated

2024-08-04

Proof-of-concept exploits (2)

• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1134
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1134

References

• CVE Record
• NVD entry

Related

• CVE-2020-35606
• CVE-2020-35609
• CVE-2020-35598
• CVE-2020-35613
• CVE-2020-35597
• CVE-2020-35616