CVE-2019-9677
The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. 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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.14% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- dahuasecurity/ipc-hdw1x2x firmware · dahuasecurity/ipc-hfw1x2x firmware · dahuasecurity/ipc-hdw2x2x firmware · dahuasecurity/ipc-hfw2x2x firmware · dahuasecurity/ipc-hdw4x2x firmware · dahuasecurity/ipc-hfw4x2x firmware · dahuasecurity/ipc-hdbw4x2x firmware · dahuasecurity/ipc-hdw5x2x firmware · dahuasecurity/ipc-hfw5x2x firmware
- Source
- cybersecurity@dahuatech.com
References
- https://www.dahuasecurity.com/support/cybersecurity/details/637Patch, Vendor Advisory
- https://www.dahuasecurity.com/support/cybersecurity/details/637Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.