CVE-2019-9676 Memory corruption in IPC-HFW1XXX,IPC-HDW1XXX,IPC-HFW2XXX
A buffer overflow in Dahua IP cameras allows authenticated attackers to execute arbitrary code or cause a device restart.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-9676?
CVE-2019-9676 is a high-severity memory corruption vulnerability in IPC-HFW1XXX,IPC-HDW1XXX,IPC-HFW2XXX, published on 12 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow vulnerability found in some Dahua IP Camera devices IPC-HFW1XXX,IPC-HDW1XXX,IPC-HFW2XXX Build before 2018/11. The vulnerability exits in the function of redirection display for serial port printing information, which can not be used by product basic functions. After an attacker logs in locally, this vulnerability can be exploited to cause device restart or arbitrary code execution. Dahua has identified the corresponding security problems in the static code auditing process, so it has gradually deleted this function, which is no longer available in the newer devices and softwares. Dahua has released versions of the affected products to fix the vulnerability.
Weakness: CWE-119
Which versions are affected by CVE-2019-9676?
It affects 3 products.
Products include Dahuasecurity Ipc-Hdw1xxx Firmware, Dahuasecurity Ipc-Hfw1xxx Firmware, Dahuasecurity Ipc-Hfw2xxx Firmware.
How do I fix CVE-2019-9676?
No fix has been published for CVE-2019-9676 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-2019-9676 being exploited?
There is no known exploitation of CVE-2019-9676 in the wild and no public exploit code.
Sources
Also known as GHSA-hp27-f96r-76hv.