CVE-2018-17678 : Security Advisory and Response

This CVE-2018-17678 article provides insights into a vulnerability affecting Foxit Reader version 9.2.0.9297, allowing remote attackers to execute unauthorized code. The flaw involves the handling of the gotoNamedDest method in the app object, leading to potential code execution.

Understanding CVE-2018-17678

This section delves into the details of the vulnerability and its impact.

What is CVE-2018-17678?

The vulnerability in Foxit Reader 9.2.0.9297 enables remote attackers to execute unauthorized code by exploiting a flaw in the app object's handling of the gotoNamedDest method. User interaction with a malicious page or file is necessary for exploitation.

The Impact of CVE-2018-17678

The vulnerability, identified as ZDI-CAN-6851, allows attackers to run code within the ongoing process, potentially leading to unauthorized access and system compromise.

Technical Details of CVE-2018-17678

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of object validation before executing operations, specifically in the gotoNamedDest method of the app object, resulting in a use-after-free vulnerability.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.2.0.9297

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the gotoNamedDest method in the app object, triggering unauthorized code execution.

Mitigation and Prevention

Learn how to mitigate and prevent the exploitation of CVE-2018-17678.

Immediate Steps to Take

Update Foxit Reader to a patched version that addresses the vulnerability.
Avoid interacting with suspicious or untrusted files or web pages.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security measures like endpoint protection and network monitoring to detect and prevent similar attacks.

Patching and Updates

Foxit Software has released security bulletins addressing the vulnerability. Ensure timely installation of these patches to secure systems.