CVE-2019-6766 Explained : Impact and Mitigation
Discover the impact of CVE-2019-6766, a vulnerability in Foxit Reader 9.4.1.16828 allowing remote attackers to access sensitive information. Learn about the mitigation steps and prevention measures.
A vulnerability has been discovered in Foxit Reader 9.4.1.16828 that allows remote attackers to access sensitive information by exploiting the removeField method in processing AcroForms. This vulnerability, identified as ZDI-CAN-8162, requires user interaction through visiting a malicious website or opening a malicious file.
Understanding CVE-2019-6766
This CVE pertains to a security flaw in Foxit Reader version 9.4.1.16828 that can be exploited by attackers to execute code within the current process.
What is CVE-2019-6766?
The vulnerability in Foxit Reader 9.4.1.16828 allows remote attackers to access sensitive information by exploiting the removeField method in processing AcroForms. User interaction is required for exploitation.
The Impact of CVE-2019-6766
- CVSS Base Score: 3.3 (Low Severity)
- Attack Vector: Local
- Attack Complexity: Low
- User Interaction: Required
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
Technical Details of CVE-2019-6766
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the failure to validate the presence of an object before conducting operations on it, allowing attackers to execute code within the current process.
Affected Systems and Versions
- Product: Foxit Reader
- Vendor: Foxit
- Affected Version: 9.4.1.16828
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the removeField method in processing AcroForms, requiring the target to interact with a malicious website or file.
Mitigation and Prevention
To address CVE-2019-6766, follow these mitigation strategies:
Immediate Steps to Take
- Update Foxit Reader to the latest version.
- Avoid visiting suspicious websites or opening files from unknown sources.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Educate users on safe browsing habits and the risks associated with opening files from untrusted sources.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.