CVE-2019-9677
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductDahuasecurity Ipc-hdw1x2x Firmware
PublishedSep 18, 2019
First seenSep 18, 2019
How to fix
Update
- dahuasecurity ipc-hdw1x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hfw1x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hdw2x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hfw2x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hdw4x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hfw4x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hdbw4x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hdw5x2x_firmware2019-08-18 or later
- dahuasecurity ipc-hfw5x2x_firmware2019-08-18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dahuasecurity ipc-hdw1x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hfw1x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hdw2x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hfw2x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hdw4x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hfw4x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hdbw4x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hdw5x2x_firmware | v < 2019-08-18 | 2019-08-18 |
| dahuasecurity ipc-hfw5x2x_firmware | v < 2019-08-18 | 2019-08-18 |
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