CVE-2017-15408 : Security Advisory and Response

Google Chrome prior to version 63.0.3239.84 was affected by a heap buffer overflow vulnerability in the omnibox, potentially allowing remote attackers to exploit heap corruption via a crafted PDF file.

Understanding CVE-2017-15408

Before version 63.0.3239.84, an omnibox heap buffer overflow vulnerability was identified in Google Chrome, allowing remote attackers to potentially exploit heap corruption using a specially crafted PDF file.

What is CVE-2017-15408?

Heap buffer overflow vulnerability in Google Chrome prior to 63.0.3239.84
Vulnerability could be exploited by a remote attacker via a specially crafted PDF file
Vulnerability arises from mishandling of PDF files by PDFium

The Impact of CVE-2017-15408

Remote attackers could potentially exploit heap corruption
Attackers could execute arbitrary code or cause a denial of service

Technical Details of CVE-2017-15408

Google Chrome prior to version 63.0.3239.84 was affected by a heap buffer overflow vulnerability in the omnibox.

Vulnerability Description

Heap buffer overflow in Omnibox in Google Chrome
Vulnerability allowed remote attackers to exploit heap corruption via a crafted PDF file

Affected Systems and Versions

Product: Google Chrome prior to 63.0.3239.84
Versions: Google Chrome prior to 63.0.3239.84

Exploitation Mechanism

Remote attackers could exploit the vulnerability using a specially crafted PDF file

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 63.0.3239.84 or newer
Be cautious when opening PDF files from unknown or untrusted sources Long-Term Security Practices
Regularly update software and applications to the latest versions
Implement network security measures to detect and prevent such attacks
Educate users on safe browsing practices and potential threats

Patching and Updates

Google released a patch in version 63.0.3239.84 to address the heap buffer overflow vulnerability