CVE-2021-38684 Buffer Overflow Vulnerability in Multimedia Console
A stack buffer overflow in QNAP Multimedia Console allows attackers to execute arbitrary code on affected NAS devices.
- 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-2021-38684?
CVE-2021-38684 is a high-severity memory corruption vulnerability in QNAP Systems Inc. Multimedia Console, published on 13 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Multimedia Console. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Multimedia Console: Multimedia Console 1.4.3 ( 2021/10/05 ) and later Multimedia Console 1.5.3 ( 2021/10/05 ) and later
Weakness: CWE-787
Which versions are affected by CVE-2021-38684?
It affects 1 product.
Products include Qnap Multimedia Console.
How do I fix CVE-2021-38684?
No fix has been published for CVE-2021-38684 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-2021-38684 being exploited?
There is no known exploitation of CVE-2021-38684 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. Multimedia Console
Sources
Also known as GHSA-r9m4-448x-8fg7.