CVE-2019-3948 Missing authorization in Dahua DH-IPC HX883X and DH-IPC-HX863X
Unauthenticated remote attackers can access the /videotalk endpoint to listen to audio from affected Dahua and Amcrest IP cameras and NVRs.
- 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-2019-3948?
CVE-2019-3948 is a high-severity missing authorization vulnerability in Dahua DH-IPC HX883X and DH-IPC-HX863X, published on 29 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Amcrest IP2M-841B V2.520.AC00.18.R, Dahua IPC-XXBXX V2.622.0000000.9.R, Dahua IPC HX5X3X and HX4X3X V2.800.0000008.0.R, Dahua DH-IPC HX883X and DH-IPC-HX863X V2.622.0000000.7.R, Dahua DH-SD4XXXXX V2.623.0000000.7.R, Dahua DH-SD5XXXXX V2.623.0000000.1.R, Dahua DH-SD6XXXXX V2.640.0000000.2.R and V2.623.0000000.1.R, Dahua NVR5XX-4KS2 V3.216.0000006.0.R, Dahua NVR4XXX-4KS2 V3.216.0000006.0.R, and NVR2XXX-4KS2 do not require authentication to access the HTTP endpoint /videotalk. An unauthenticated, remote person can connect to this endpoint and potentionally listen to the audio of the capturing device.
Weakness: CWE-306
Which versions are affected by CVE-2019-3948?
It affects 12 products.
Products include Amcrest Ip2m-841b Firmware, Dahua Dh-Ipc-Hx863x, Dahua Dh-Ipc-Hx883x, Dahua Dh-Sd4xxxxx, Dahua Dh-Sd5xxxxx, Dahua Dh-Sd6xxxxx and 6 more.
How do I fix CVE-2019-3948?
No fix has been published for CVE-2019-3948 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-3948 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-3948 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-f9fm-89ph-x8pr.