CVE-2017-12568 : Security Advisory and Response
Learn about CVE-2017-12568, a Denial of Service vulnerability in Brother DCP-J132W printers, allowing attackers to disrupt network connections by flooding HTTP packets. Find mitigation steps here.
A vulnerability known as Denial of Service has been identified in the embedded httpd 1.20 used in Brother DCP-J132W printers, as well as possibly other models from the DCP series. This vulnerability enables attackers to remotely disrupt the printer's network connection and render it unresponsive by flooding it with an excessive number of HTTP packets.
Understanding CVE-2017-12568
This CVE involves a Denial of Service vulnerability in the embedded httpd 1.20 in Brother DCP-J132W printers.
What is CVE-2017-12568?
The CVE-2017-12568 vulnerability allows remote attackers to disrupt the network connection of Brother DCP-J132W printers by sending a large number of HTTP packets.
The Impact of CVE-2017-12568
- Attackers can remotely hang the printer, rendering it unresponsive.
- Disruption of the printer's network connection can lead to operational issues.
Technical Details of CVE-2017-12568
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in the embedded httpd 1.20 in Brother DCP-J132W printers allows attackers to disrupt the network connection by flooding the printer with excessive HTTP packets.
Affected Systems and Versions
- Product: Brother DCP-J132W (and potentially other DCP models)
- Version: httpd 1.20
Exploitation Mechanism
Attackers exploit this vulnerability by sending a large amount of HTTP packets to the printer, causing a Denial of Service condition.
Mitigation and Prevention
Protecting systems from CVE-2017-12568 is crucial to prevent network disruptions.
Immediate Steps to Take
- Implement network segmentation to isolate printers from critical systems.
- Monitor network traffic for unusual patterns that may indicate an attack.
Long-Term Security Practices
- Regularly update printer firmware to patch known vulnerabilities.
- Conduct security assessments to identify and address potential weaknesses.
Patching and Updates
- Apply patches provided by Brother to address the Denial of Service vulnerability.