CVE-2017-5057 : Vulnerability Insights and Analysis
Learn about CVE-2017-5057, a type confusion vulnerability in PDFium in Google Chrome versions prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android, allowing remote attackers to perform out-of-bounds memory reads.
A vulnerability related to type confusion within PDFium in previous versions of Google Chrome, specifically before 58.0.3029.81 for Mac, Windows, and Linux, as well as 58.0.3029.83 for Android, enabled a malicious actor to carry out an out of bounds memory read through a specially crafted PDF file.
Understanding CVE-2017-5057
This CVE involves a type confusion vulnerability in Google Chrome that could allow a remote attacker to perform an out-of-bounds memory read via a maliciously crafted PDF file.
What is CVE-2017-5057?
CVE-2017-5057 is a type confusion vulnerability in PDFium in Google Chrome versions prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android.
The Impact of CVE-2017-5057
The vulnerability could be exploited by a remote attacker to execute an out-of-bounds memory read by tricking a user into opening a specially crafted PDF file.
Technical Details of CVE-2017-5057
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The vulnerability in PDFium in Google Chrome versions prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android, allows a remote attacker to perform an out-of-bounds memory read through a crafted PDF file.
Affected Systems and Versions
- Google Chrome prior to 58.0.3029.81 for Mac, Windows, and Linux
- Google Chrome 58.0.3029.83 for Android
Exploitation Mechanism
The vulnerability can be exploited by enticing a user to open a specially crafted PDF file, triggering the out-of-bounds memory read.
Mitigation and Prevention
Protecting systems from CVE-2017-5057 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Google Chrome to version 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android.
- Avoid opening PDF files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Educate users about the risks of opening files from unfamiliar sources.
Patching and Updates
Ensure timely installation of security patches and updates provided by Google Chrome to address the vulnerability.