CVE-2021-34344 Stack Buffer Overflow Vulnerability in QUSBCam2
Attackers can execute arbitrary code on QNAP devices via a stack buffer overflow in the QUSBCam2 application.
- 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-2021-34344?
CVE-2021-34344 is a critical memory corruption vulnerability in QNAP Systems Inc. QUSBCam2, published on 10 Sep 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 device running QUSBCam2. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
Weakness: CWE-787
Which versions are affected by CVE-2021-34344?
It affects 1 product.
Products include Qnap Qusbcam2.
How do I fix CVE-2021-34344?
No fix has been published for CVE-2021-34344 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-2021-34344 being exploited?
There is no known exploitation of CVE-2021-34344 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. QUSBCam2
Sources
Also known as GHSA-p87c-w38q-5f93.