CVE-2022-45460 Memory corruption in n/a
Unauthenticated remote attackers can execute arbitrary code or cause denial of service via a stack-based buffer overflow in Xiongmai NVR web servers.
- 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-2022-45460?
CVE-2022-45460 is a critical memory corruption vulnerability in n/a, published on 28 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple Xiongmai NVR devices, including MBD6304T V4.02.R11.00000117.10001.131900.00000 and NBD6808T-PL V4.02.R11.C7431119.12001.130000.00000, allow an unauthenticated and remote user to exploit a stack-based buffer overflow and crash the web server, resulting in a system reboot. An unauthenticated and remote attacker can execute arbitrary code by sending a crafted HTTP request that triggers the overflow condition via a long URI passed to a sprintf call. NOTE: this is different than CVE-2018-10088, but this may overlap CVE-2017-16725.
Weakness: CWE-787
Which versions are affected by CVE-2022-45460?
It affects 2 products.
Products include Xiongmaitech Mbd6304t Firmware, Xiongmaitech Nbd6808t-Pl Firmware.
How do I fix CVE-2022-45460?
No fix has been published for CVE-2022-45460 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-2022-45460 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45460 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-pm7h-vr37-wmc9.