CVE-2018-17611 Explained : Impact and Mitigation
Learn about CVE-2018-17611, a vulnerability in Foxit PhantomPDF and Reader versions prior to 9.3 allowing remote code execution. Find mitigation steps and prevention measures.
Foxit PhantomPDF and Reader versions prior to 9.3 mishandle Annotation object properties, leading to a use-after-free vulnerability that can be exploited by remote attackers to execute arbitrary code or cause denial of service.
Understanding CVE-2018-17611
This CVE involves a vulnerability in Foxit PhantomPDF and Reader versions prior to 9.3 that allows remote attackers to exploit a use-after-free issue in Annotation object properties.
What is CVE-2018-17611?
The mishandling of Annotation object properties in Foxit PhantomPDF and Reader versions prior to 9.3 can lead to remote attackers executing arbitrary code or causing a denial of service through a use-after-free vulnerability. This vulnerability specifically affects one of the five types of Annotation objects.
The Impact of CVE-2018-17611
- Remote attackers can execute arbitrary code or cause denial of service
- Exploitation of a use-after-free vulnerability
Technical Details of CVE-2018-17611
This section provides more technical insights into the vulnerability.
Vulnerability Description
Foxit PhantomPDF and Reader before 9.3 allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) because properties of Annotation objects are mishandled. This relates to one of five distinct types of Annotation objects.
Affected Systems and Versions
- Product: Foxit PhantomPDF and Reader
- Versions: Prior to 9.3
Exploitation Mechanism
The vulnerability can be exploited by remote attackers to manipulate Annotation object properties, triggering a use-after-free condition.
Mitigation and Prevention
Protecting systems from CVE-2018-17611 requires specific actions to mitigate risks.
Immediate Steps to Take
- Update Foxit PhantomPDF and Reader to version 9.3 or newer
- Implement network security measures to prevent remote exploitation
Long-Term Security Practices
- Regularly update software and apply security patches
- Conduct security audits to identify and address vulnerabilities
Patching and Updates
- Stay informed about security bulletins and updates from Foxit
- Apply patches promptly to address known vulnerabilities