# ICS Advisory (ICSA-19-304-02)
## Honeywell equIP Series IP Cameras
Original release date: October 31, 2019
[Print Document](javascript:window.print\(\);)
[Tweet](https://twitter.com/share?url=https%3A%2F%2Fus-
cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-304-02)
[Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus-
cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-304-02)
[Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus-
cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-304-02)
### Legal Notice
All information products included in [https://us-cert.gov/ics](/ics) are
provided "as is" for informational purposes only. The Department of Homeland
Security (DHS) does not provide any warranties of any kind regarding any
information contained within. DHS does not endorse any commercial product or
service, referenced in this product or otherwise. Further dissemination of
this product is governed by the Traffic Light Protocol (TLP) marking in the
header. For more information about TLP, see [https://www.us-
cert.gov/tlp/](/tlp/).
* * *
## 1\. EXECUTIVE SUMMARY
* **CVSS v3 7.5**
* **ATTENTION:** Exploitable remotely/low skill level to exploit
* **Vendor:** Honeywell
* **Equipment:** equIP series IP cameras
* **Vulnerability:** Improper Input Validation
## 2\. RISK EVALUATION
Successful exploitation of this vulnerability could result in denial-of-
service conditions.
## 3\. TECHNICAL DETAILS
### 3.1 AFFECTED PRODUCTS
Honeywell reports the vulnerability affects the equIP series IP camera
products listed fully in the following Honeywell security notification:
* Security Notification SN 2019-09-13 01
This notification can be found at the following location:
<https://www.security.honeywell.com/resources/eol-and-security-notices>
### 3.2 VULNERABILITY OVERVIEW
#### 3.2.1 [IMPROPER INPUT VALIDATION CWE-20
](https://cwe.mitre.org/data/definitions/20.html)
A vulnerability exists in the affected products where a specially crafted HTTP
packet request could result in a denial of service.
[CVE-2019-18228](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-18228)
has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been
calculated; the CVSS vector string is
([AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)).
### 3.3 BACKGROUND
* **CRITICAL INFRASTRUCTURE SECTORS:** Commercial Facilities, Critical Manufacturing, Energy, Healthcare and Public Health
* **COUNTRIES/AREAS DEPLOYED:** Worldwide
* **COMPANY HEADQUARTERS LOCATION:** United States
### 3.4 RESEARCHER
Honeywell reported this vulnerability to CISA.
## 4\. MITIGATIONS
Honeywell has released firmware update packages for all affected products
listed above. The package can be downloaded from:
<https://mywebtech.honeywell.com/Home>
Honeywell recommends that users with potentially affected products take the
following steps to protect themselves:
* Update firmware of vulnerable devices per this security notification;
* Isolate their system from the Internet or create additional layers of defense to their system from the Internet by placing the affected hardware behind a firewall or into a DMZ; and
* If remote connections to the network are required, consider using a VPN or other means to ensure secure remote connections into the network where the device is located.
More information on this issue can be found in [Honeywell Security
Notification SN 2019-09-13
01](https://www.security.honeywell.com/-/media/Security/Resources/PDF/Product-
Warranty/Security_Notification_SN_2019-09-13-01_V4-pdf.pdf)
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for [control systems security recommended
practices](https://www.us-cert.gov/ics/recommended-practices) on the ICS
webpage on [us-cert.gov](https://www.us-cert.gov/ics). Several recommended
practices are available for reading and download, including [Improving
Industrial Control Systems Cybersecurity with Defense-in-Depth
Strategies](https://www.us-
cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-
CERT_Defense_in_Depth_2016_S508C.pdf).
Additional mitigation guidance and recommended practices are publicly
available on the [ICS webpage on us-cert.gov](https://www.us-cert.gov/ics) in
the Technical Information Paper, [ICS-TIP-12-146-01B--Targeted Cyber Intrusion
Detection and Mitigation Strategies](https://www.us-cert.gov/ics/tips/ICS-
TIP-12-146-01B).
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
No known public exploits specifically target this vulnerability.
暂无评论