CVE-2017-15403 : Security Advisory and Response
Learn about CVE-2017-15403, a command injection vulnerability in Google Chrome on Chrome OS versions prior to 61.0.3163.113, allowing local attackers to execute arbitrary code. Find out how to mitigate and prevent this security risk.
This CVE-2017-15403 article provides insights into a command injection vulnerability in Google Chrome on Chrome OS versions prior to 61.0.3163.113, allowing local attackers to execute arbitrary code.
Understanding CVE-2017-15403
A lack of adequate data validation in crosh led to a command injection vulnerability under chronos privileges in Google Chrome on Chrome OS.
What is CVE-2017-15403?
Insufficient data validation in crosh resulted in a command injection vulnerability in Networking in Google Chrome on Chrome OS versions before 61.0.3163.113, enabling local attackers to execute arbitrary code through a specially crafted HTML page.
The Impact of CVE-2017-15403
The vulnerability allowed local attackers to execute arbitrary code by exploiting the lack of data validation in crosh under chronos privileges.
Technical Details of CVE-2017-15403
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
A lack of adequate data validation in crosh could lead to a command injection under chronos privileges in Networking in Google Chrome on Chrome OS versions prior to 61.0.3163.113, enabling local attackers to execute arbitrary code via a crafted HTML page.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: Prior to 61.0.3163.113
Exploitation Mechanism
The vulnerability was exploited by local attackers using specially crafted HTML pages to execute arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2017-15403 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Google Chrome to version 61.0.3163.113 or higher.
- Avoid visiting untrusted websites or clicking on suspicious links.
Long-Term Security Practices
- Implement regular security updates for all software and applications.
- Educate users on safe browsing practices and the risks of executing unknown code.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of command injection vulnerabilities.