CVE-2019-9677: Buffer Overflow
First published: Wed Sep 18 2019(Updated: )
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.
Credit: cybersecurity@dahuatech.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dahua IPC-HDW1122 | <2019-08-18 | |
| Dahua IPC-HDW1122 | ||
| Dahua IPC-HFW1120 | <2019-08-18 | |
| Dahua IPC-HFW1120 | ||
| Dahua IPC-HDW222 | <2019-08-18 | |
| Dahua IPC-HDW222 | ||
| Dahuasecurity Ipc-hfw2x2x Firmware | <2019-08-18 | |
| Dahua IPC-HFW2X2X | ||
| Dahuasecurity IPC-HDW4X2X Firmware | <2019-08-18 | |
| Dahuasecurity IPC-HDW4X2X Firmware | ||
| Dahuasecurity IPC-HFW4X2X | <2019-08-18 | |
| Dahuasecurity IPC-HFW4X2X | ||
| Dahua IPC-HDBW4X2X Firmware | <2019-08-18 | |
| Dahua IPC-HDBW4X2X | ||
| Dahuasecurity IPC-HDW52XX Firmware | <2019-08-18 | |
| Dahuasecurity IPC-HDW52XX Firmware | ||
| Dahua IPC-HFW5X2X | <2019-08-18 | |
| Dahua IPC-HFW5X2X |
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Frequently Asked Questions
What is CVE-2019-9677?
CVE-2019-9677 is a vulnerability in the CGI interface of some Dahua products that allows an attacker to cause a buffer overflow by constructing malicious packets.
Which Dahua products are affected by CVE-2019-9677?
The affected products include IPC-HDW1X2X, IPC-HFW1X2X, IPC-HDW2X2X, IPC-HFW2X2X, IPC-HDW4X2X, IPC-HFW4X2X, IPC-HDBW4X2X, IPC-HDW5X2X, and IPC-HFW5X2X.
What is the severity of CVE-2019-9677?
CVE-2019-9677 has a severity rating of 9.8, which is classified as critical.
How can an attacker exploit CVE-2019-9677?
An attacker can exploit CVE-2019-9677 by constructing malicious packets that can cause a buffer overflow in the affected Dahua products.
Is there a fix for CVE-2019-9677?
Yes, Dahua has released firmware updates to address the vulnerability. It is recommended to update to the latest firmware version to mitigate the risk.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/author
- agent/weakness
- agent/remedy
- agent/references
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/dahuasecurity
- canonical/dahua ipc-hdw1122
- canonical/dahua ipc-hfw1120
- canonical/dahua ipc-hdw222
- canonical/dahuasecurity ipc-hfw2x2x firmware
- canonical/dahua ipc-hfw2x2x
- canonical/dahuasecurity ipc-hdw4x2x firmware
- canonical/dahuasecurity ipc-hfw4x2x
- canonical/dahua ipc-hdbw4x2x firmware
- canonical/dahua ipc-hdbw4x2x
- canonical/dahuasecurity ipc-hdw52xx firmware
- canonical/dahua ipc-hfw5x2x