CVE-2018-19388 : Security Advisory and Response
Learn about CVE-2018-19388, a vulnerability in Foxit Reader 9.3.0.10826 that allows remote attackers to crash the application via TIFF data, causing denial of service.
Foxit Reader 9.3.0.10826 is vulnerable to a denial of service attack due to an issue in the ConvertToPDF_x86!ReleaseFXURLToHtml function when handling TIFF data.
Understanding CVE-2018-19388
This CVE entry describes a vulnerability in Foxit Reader that could allow a remote attacker to crash the application by triggering an out-of-bounds read and access violation.
What is CVE-2018-19388?
The vulnerability in Foxit Reader 9.3.0.10826 allows attackers to exploit TIFF data processing, leading to a denial of service attack through application crashes.
The Impact of CVE-2018-19388
The vulnerability enables remote attackers to cause application crashes, potentially disrupting user workflows and causing inconvenience.
Technical Details of CVE-2018-19388
Foxit Reader's vulnerability can be further understood through technical details.
Vulnerability Description
The issue lies in the ConvertToPDF_x86!ReleaseFXURLToHtml function, which mishandles TIFF data, resulting in out-of-bounds reads and access violations.
Affected Systems and Versions
- Product: Foxit Reader 9.3.0.10826
- Vendor: Foxit
- Version: n/a
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by sending specially crafted TIFF data, triggering the application crash.
Mitigation and Prevention
Protecting systems from CVE-2018-19388 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Consider disabling TIFF file processing in Foxit Reader temporarily.
- Monitor vendor updates for patches addressing this vulnerability.
Long-Term Security Practices
- Regularly update Foxit Reader to the latest version to mitigate known vulnerabilities.
- Implement network security measures to prevent remote exploitation of software vulnerabilities.
- Educate users on safe file handling practices to reduce the risk of malicious attacks.
Patching and Updates
Foxit Reader users should apply patches provided by the vendor to address the vulnerability and enhance application security.