CVE-2017-15400 : What You Need to Know

Google Chrome OS prior to 62.0.3202.74 had a vulnerability that allowed a remote attacker to execute commands with the same privileges as the cups daemon.

Understanding CVE-2017-15400

Before the release of version 62.0.3202.74, a vulnerability in Google Chrome OS allowed remote attackers to exploit IPP filters in CUPS.

What is CVE-2017-15400?

The vulnerability in Google Chrome OS prior to version 62.0.3202.74 enabled a remote attacker to execute commands with the same privileges as the cups daemon through a manipulated PPD file.

The Impact of CVE-2017-15400

Remote attackers could perform unauthorized commands using the cups daemon's privileges.
The vulnerability stemmed from insufficient restriction of IPP filters in CUPS.

Technical Details of CVE-2017-15400

Google Chrome OS prior to 62.0.3202.74 was affected by this vulnerability.

Vulnerability Description

The issue was caused by insufficient restriction of IPP filters in CUPS.
It resulted from a printer zeroconfig CRLF issue in a manipulated PPD file.

Affected Systems and Versions

Google Chrome OS versions prior to 62.0.3202.74 were impacted.

Exploitation Mechanism

Remote attackers could exploit the vulnerability by manipulating a PPD file to execute commands.

Mitigation and Prevention

Immediate Steps to Take:

Update Google Chrome OS to version 62.0.3202.74 or later.
Monitor for any suspicious activities on the network. Long-Term Security Practices:
Regularly update software and firmware to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Educate users on safe browsing practices and the importance of software updates.
Employ intrusion detection systems to detect and respond to potential threats.
Conduct regular security audits to identify and address any security gaps.
Stay informed about the latest security advisories and patches.
Collaborate with security experts to enhance overall cybersecurity defenses.
Consider implementing additional security measures such as firewalls and access controls.
Backup critical data regularly to mitigate the impact of potential security incidents.
Stay vigilant for any signs of unauthorized access or suspicious activities.

Patching and Updates

Ensure that Google Chrome OS is regularly updated to the latest version to mitigate known vulnerabilities.