CVE-2018-6144 : Exploit Details and Defense Strategies
Learn about CVE-2018-6144, a vulnerability in Google Chrome PDFium component allowing remote attackers to execute unauthorized memory writes. Find mitigation steps and preventive measures here.
A vulnerability was found in Google Chrome versions before 67.0.3396.62, specifically in the PDFium component. This vulnerability, known as an off-by-one error, enabled a remote attacker to execute an unauthorized memory write by exploiting a manipulated PDF file.
Understanding CVE-2018-6144
This CVE entry pertains to a security issue in Google Chrome that allowed a remote attacker to perform an out-of-bounds memory write through a crafted PDF file.
What is CVE-2018-6144?
CVE-2018-6144 is an off-by-one error in the PDFium component of Google Chrome prior to version 67.0.3396.62. This flaw could be exploited by a remote attacker to execute unauthorized memory writes.
The Impact of CVE-2018-6144
The vulnerability could be exploited by a remote attacker to execute an unauthorized memory write, potentially leading to arbitrary code execution or system compromise.
Technical Details of CVE-2018-6144
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in Google Chrome allowed a remote attacker to perform an out-of-bounds memory write via a manipulated PDF file.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: Before 67.0.3396.62
Exploitation Mechanism
The vulnerability could be exploited by a remote attacker through a specially crafted PDF file to trigger the off-by-one error and execute unauthorized memory writes.
Mitigation and Prevention
Steps to address and prevent the exploitation of CVE-2018-6144.
Immediate Steps to Take
- Update Google Chrome to version 67.0.3396.62 or later to mitigate the vulnerability.
- Avoid opening PDF files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network security measures to detect and block malicious PDF files.
Patching and Updates
- Google has released patches addressing this vulnerability. Ensure timely installation of security updates to protect against known vulnerabilities.