Critical severity · published Sep 18, 2019
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
9.8
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IF
Ipc-hdbw4x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hdw1x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hdw2x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hdw4x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hdw5x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hfw1x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hfw2x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hfw4x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
IF
Ipc-hfw5x2x Firmware · Dahuasecurity
before 2019-08-18 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9677
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9677
Patch
https://www.dahuasecurity.com/support/cybersecurity/details/637
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