CVE-2020-35608 — HIGH (7.8)

Vulnerability 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 Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Azure Sphere	20.07

Related Weaknesses (CWE)

CWE-74

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1134ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1134ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1134ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1134ExploitThird Party Advisory

FAQ

What is CVE-2020-35608?

CVE-2020-35608 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 e...

How severe is CVE-2020-35608?

CVE-2020-35608 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-35608?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Azure Sphere.