CVE-2022-2471 Stack-Based Buffer Overflow Vulnerability in the EZVIZ Motion Detection component
A remote attacker can execute arbitrary code on EZVIZ security cameras via a stack-based buffer overflow in the motion detection component.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-2471?
CVE-2022-2471 is a critical memory corruption vulnerability in EZVIZ CS-C3W-A0-3H4WFRL, published on 15 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.
Weakness: CWE-121
Which versions are affected by CVE-2022-2471?
It affects 5 products.
Products include Ezviz Cs-C3w-A0-3h4wfrl Firmware, Ezviz Cs-C6n-A0-1c2wfr Firmware, Ezviz Cs-C6n-B0-1g2wf Firmware, Ezviz Cs-Cv248 Firmware, Ezviz Cs-Db1c-A0-1e2w2fr Firmware.
How do I fix CVE-2022-2471?
No fix has been published for CVE-2022-2471 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-2022-2471 being exploited?
There is no known exploitation of CVE-2022-2471 in the wild and no public exploit code.
Sources
Also known as GHSA-wmr3-r282-gf5h.