CVE-2019-9678 Denial of service in IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X

High 7.5 Published 18 Sep 2019 Updated 4 Aug 2024

An attacker can crash Dahua IP cameras by sending a malicious packet during the login process, causing a denial of service.

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-2019-9678?

CVE-2019-9678 is a high-severity denial of service vulnerability in Dahua Technology IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X, published on 18 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Some Dahua products have the problem of denial of service during the login process. An attacker can cause a device crashed by constructing a malicious packet. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.

Which versions are affected by CVE-2019-9678?

It affects 9 products.

Products include Dahuasecurity Ipc-Hdbw4x2x Firmware, Dahuasecurity Ipc-Hdw1x2x Firmware, Dahuasecurity Ipc-Hdw2x2x Firmware, Dahuasecurity Ipc-Hdw4x2x Firmware, Dahuasecurity Ipc-Hdw5x2x Firmware, Dahuasecurity Ipc-Hfw1x2x Firmware and 3 more.

How do I fix CVE-2019-9678?

No fix has been published for CVE-2019-9678 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-9678 being exploited?

There is no known exploitation of CVE-2019-9678 in the wild and no public exploit code.

Sources

Also known as GHSA-frg2-2p49-56f3.