Vulnerability Details : 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,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.
Vulnerability category: Overflow
Products affected by CVE-2019-9677
- cpe:2.3:o:dahuasecurity:ipc-hdw1x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hfw1x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hdw2x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hfw2x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hdw4x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hfw4x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hdbw4x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hdw5x2x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dahuasecurity:ipc-hfw5x2x_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9677
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9677
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-9677
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9677
-
https://www.dahuasecurity.com/support/cybersecurity/details/637
Security Advisory – Some products of Dahua have security risksPatch;Vendor Advisory
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