CVE-2019-6727 : Vulnerability Insights and Analysis
Learn about CVE-2019-6727, a critical vulnerability in Foxit Reader version 9.3.0.10826 allowing remote code execution. Find mitigation steps and prevention measures here.
This CVE-2019-6727 article provides insights into a vulnerability affecting Foxit Reader version 9.3.0.10826, allowing remote attackers to execute arbitrary code.
Understanding CVE-2019-6727
This CVE involves a critical vulnerability in Foxit Reader that enables unauthorized code execution by exploiting a specific weakness in the XFA remerge method.
What is CVE-2019-6727?
The vulnerability in Foxit Reader version 9.3.0.10826 allows external attackers to execute unauthorized code by tricking users into interacting with malicious webpages or opening harmful files.
The Impact of CVE-2019-6727
- Attackers can exploit this vulnerability to run code within the current process context, potentially leading to system compromise.
- The weakness lies in the failure to verify the presence of an object before executing operations on it, enabling malicious actors to take advantage of the situation.
Technical Details of CVE-2019-6727
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
- The vulnerability is classified as CWE-416: Use After Free, indicating a specific type of memory corruption issue.
Affected Systems and Versions
- Product: Foxit Reader
- Vendor: Foxit
- Version: 9.3.0.10826
Exploitation Mechanism
- Attackers exploit the XFA remerge method's weakness by executing code within the current process context.
Mitigation and Prevention
Protecting systems from CVE-2019-6727 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Foxit Reader to the latest version to patch the vulnerability.
- Avoid interacting with suspicious webpages or opening files from untrusted sources.
Long-Term Security Practices
- Educate users on safe browsing habits and the risks associated with opening unknown files.
- Implement robust endpoint security solutions to detect and prevent similar vulnerabilities.
Patching and Updates
- Regularly check for security updates from Foxit and apply patches promptly to mitigate the risk of exploitation.