CVE-2022-2070 Grandstream GSD3710 Stack-based Buffer Overflow
Remote attackers can execute arbitrary code and gain full system access via stack overflow in Grandstream GSD3710 daemons.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-2070?
CVE-2022-2070 is a critical memory corruption vulnerability in Grandstream GSD3710, published on 23 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Grandstream GSD3710 in its 1.0.11.13 version, it's possible to overflow the stack since it doesn't check the param length before using the sscanf instruction. Because of that, an attacker could create a socket and connect with a remote IP:port by opening a shell and getting full access to the system. The exploit affects daemons dbmng and logsrv that are running on ports 8000 and 8001 by default.
Which versions are affected by CVE-2022-2070?
It affects 1 product.
Products include Grandstream Gds3710 Firmware.
How do I fix CVE-2022-2070?
No fix has been published for CVE-2022-2070 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-2070 being exploited?
There is no known exploitation of CVE-2022-2070 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Grandstream GSD3710
Sources
Also known as GHSA-54xp-94gx-wj5g.