CVE-2019-5768 : Security Advisory and Response
Learn about CVE-2019-5768, a vulnerability in Google Chrome DevTools API allowing attackers to gain unauthorized access to local files. Find mitigation steps and prevention measures here.
Google Chrome prior to version 72.0.3626.81 had a vulnerability in the DevTools API that allowed attackers to exploit users by convincing them to install a malicious extension, potentially granting unauthorized access to local files.
Understanding CVE-2019-5768
This CVE relates to a security issue in Google Chrome that could be exploited through a crafted Chrome Extension.
What is CVE-2019-5768?
The vulnerability in the DevTools API of Google Chrome versions before 72.0.3626.81 allowed attackers to bypass extension capability restrictions, leading to potential unauthorized access to local files when users installed a malicious extension.
The Impact of CVE-2019-5768
The vulnerability enabled attackers to exploit users by tricking them into installing a malicious extension, potentially compromising the security and privacy of local files.
Technical Details of CVE-2019-5768
This section provides more technical insights into the vulnerability.
Vulnerability Description
The DevTools API in Google Chrome versions prior to 72.0.3626.81 did not properly restrict extension capabilities, allowing attackers to gain unauthorized access to local files through a skillfully crafted Chrome Extension.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: < 72.0.3626.81
Exploitation Mechanism
Attackers could exploit this vulnerability by convincing users to install a malicious extension, which could then be used to read local files.
Mitigation and Prevention
Protecting systems from CVE-2019-5768 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Google Chrome to version 72.0.3626.81 or newer to mitigate the vulnerability.
- Avoid installing extensions from untrusted sources.
Long-Term Security Practices
- Regularly update software and extensions to the latest versions.
- Educate users about the risks of installing unverified extensions.
Patching and Updates
Ensure that all software, including browsers and extensions, are regularly updated to the latest versions to prevent exploitation of known vulnerabilities.