CVE-2020-2501 Stack Buffer Overflow in Surveillance Station
Attackers can execute arbitrary code on QNAP NAS devices via a stack buffer overflow in Surveillance Station.
- 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-2020-2501?
CVE-2020-2501 is a critical memory corruption vulnerability in QNAP Systems Inc. Surveillance Station, published on 17 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. QNAP have already fixed this vulnerability in the following versions: Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS) Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)
Which versions are affected by CVE-2020-2501?
It affects 1 product.
Products include Qnap Surveillance Station.
How do I fix CVE-2020-2501?
No fix has been published for CVE-2020-2501 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-2020-2501 being exploited?
There is no known exploitation of CVE-2020-2501 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. Surveillance Station
Sources
Also known as GHSA-6j9h-6jcx-4g5q.