CVE-2017-15387 : Vulnerability Insights and Analysis
Learn about CVE-2017-15387, a vulnerability in Google Chrome's Blink engine allowing remote attackers to exploit Content Security Policy inadequacies. Find mitigation steps here.
Google Chrome prior to version 62.0.3202.62 had a vulnerability in its Blink engine that allowed remote attackers to exploit Content Security Policy implementation inadequacies.
Understanding CVE-2017-15387
A flaw in Google Chrome's Blink engine before version 62.0.3202.62 enabled attackers to misuse Content Security Policy, potentially leading to unauthorized actions.
What is CVE-2017-15387?
This CVE refers to the insufficient enforcement of Content Security Policy in Google Chrome, allowing attackers to open unauthorized javascript: URL windows through a specially crafted HTML page.
The Impact of CVE-2017-15387
The vulnerability could be exploited by remote attackers to execute malicious actions through javascript: URL windows, bypassing security restrictions.
Technical Details of CVE-2017-15387
Google Chrome's vulnerability in the Blink engine prior to version 62.0.3202.62 had the following technical aspects:
Vulnerability Description
The flaw in Blink engine allowed the opening of javascript: URL windows by attackers, despite security policies prohibiting such actions.
Affected Systems and Versions
- Product: Google Chrome prior to 62.0.3202.62
- Version: Google Chrome prior to 62.0.3202.62
Exploitation Mechanism
Attackers could exploit this vulnerability remotely by using a specially created HTML page to trigger the opening of unauthorized javascript: URL windows.
Mitigation and Prevention
To address CVE-2017-15387, consider the following steps:
Immediate Steps to Take
- Update Google Chrome to version 62.0.3202.62 or later.
- Avoid clicking on suspicious links or visiting untrusted websites.
Long-Term Security Practices
- Regularly update browsers and software to the latest versions.
- Implement and enforce strict Content Security Policies to mitigate similar vulnerabilities.
- Educate users on safe browsing practices and potential risks.
Patching and Updates
Ensure timely installation of security patches and updates provided by Google Chrome to address known vulnerabilities.