CVE-2020-35608 Code injection in n/a
An attacker can execute arbitrary shellcode in the normal world by crafting a specific AF_PACKET socket, compromising the Azure Sphere operating system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35608?
CVE-2020-35608 is a high-severity code injection vulnerability in n/a, published on 22 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-74
Which versions are affected by CVE-2020-35608?
It affects 1 product.
Products include Microsoft Azure Sphere.
How do I fix CVE-2020-35608?
No fix has been published for CVE-2020-35608 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-35608 being exploited?
There is no known exploitation of CVE-2020-35608 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-27080 Azure Sphere Unsigned Code Execution Vulnerability
- CVE-2021-28460 Azure Sphere Unsigned Code Execution Vulnerability
- CVE-2020-16970 Azure Sphere Unsigned Code Execution Vulnerability
- CVE-2021-26429 Azure Sphere Elevation of Privilege Vulnerability
- CVE-2020-16992 Azure Sphere Elevation of Privilege Vulnerability
Sources
Also known as GHSA-8j38-79vm-qxr4.