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CRITICAL · 9.8

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. Affected products include: IPC-HDW1X2X...

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DahuasecurityIpc-Hdw1X2X Firmware< 2019-08-18
DahuasecurityIpc-Hdw1X2X-
DahuasecurityIpc-Hfw1X2X Firmware< 2019-08-18
DahuasecurityIpc-Hfw1X2X-
DahuasecurityIpc-Hdw2X2X Firmware< 2019-08-18
DahuasecurityIpc-Hdw2X2X-
DahuasecurityIpc-Hfw2X2X Firmware< 2019-08-18
DahuasecurityIpc-Hfw2X2X-
DahuasecurityIpc-Hdw4X2X Firmware< 2019-08-18
DahuasecurityIpc-Hdw4X2X-
DahuasecurityIpc-Hfw4X2X Firmware< 2019-08-18
DahuasecurityIpc-Hfw4X2X-
DahuasecurityIpc-Hdbw4X2X Firmware< 2019-08-18
DahuasecurityIpc-Hdbw4X2X-
DahuasecurityIpc-Hdw5X2X Firmware< 2019-08-18
DahuasecurityIpc-Hdw5X2X-
DahuasecurityIpc-Hfw5X2X Firmware< 2019-08-18
DahuasecurityIpc-Hfw5X2X-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2019-9677?

CVE-2019-9677 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2019-9677?

CVE-2019-9677 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-9677?

Check the references section above for vendor advisories and patch information. Affected products include: Dahuasecurity Ipc-Hdw1X2X Firmware, Dahuasecurity Ipc-Hdw1X2X, Dahuasecurity Ipc-Hfw1X2X Firmware, Dahuasecurity Ipc-Hfw1X2X, Dahuasecurity Ipc-Hdw2X2X Firmware.