CVE-2019-6770 : What You Need to Know
Discover the security flaw in Foxit Reader 9.4.1.16828 with CVE-2019-6770. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.
A security flaw has been discovered in Foxit Reader 9.4.1.16828, potentially allowing remote attackers to access sensitive information by exploiting a vulnerability in the resetForm method used to process AcroForms.
Understanding CVE-2019-6770
This CVE entry pertains to a vulnerability in Foxit Reader version 9.4.1.16828 that could be exploited by malicious actors to execute code within the current process.
What is CVE-2019-6770?
The vulnerability in Foxit Reader 9.4.1.16828 allows remote attackers to potentially access sensitive information by leveraging a flaw in the resetForm method used for processing AcroForms. The lack of validation before performing operations on an object can lead to code execution within the current process.
The Impact of CVE-2019-6770
The impact of this vulnerability is rated as low severity according to the CVSS v3.0 base score of 3.3. The attack complexity is low, requiring user interaction, and the confidentiality impact is also low.
Technical Details of CVE-2019-6770
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is classified as CWE-416: Use After Free, indicating a specific type of memory corruption issue where a program accesses memory after it has been freed.
Affected Systems and Versions
- Product: Foxit Reader
- Vendor: Foxit
- Version: 9.4.1.16828
Exploitation Mechanism
To exploit this vulnerability, a user must interact with a malicious page or open a malicious file, triggering the flaw in the resetForm method.
Mitigation and Prevention
Protecting systems from CVE-2019-6770 involves taking immediate steps and implementing long-term security practices.
Immediate Steps to Take
- Update Foxit Reader to the latest version to patch the vulnerability.
- Avoid interacting with suspicious or untrusted files or websites.
Long-Term Security Practices
- Regularly update software and applications to mitigate known vulnerabilities.
- Educate users on safe browsing habits and the risks associated with opening unknown files.
Patching and Updates
Ensure that Foxit Reader is regularly updated to the latest version to address security vulnerabilities.