Zero-Day Advisory
Fortinet Discovers NitroPDF Reader Use After Free Vulnerability
Summary
Fortinet's FortiGuard Labs has discovered a Use-After-Free vulnerability in Nitro's NitroPDF Reader software.
Nitro Software, Inc. develops commercial software used to create, edit, sign, and secure Portable Document Format (PDF) files and digital documents. The Nitro ecosystem consists of Nitro Pro, Nitro Cloud, Nitro Reader, and a suite of document conversion sites.
A Use-After-Free vulnerability has been discovered in NitroPDF Reader. The vulnerability exists due to an error while the vulnerable software attempts to open a specially crafted PDF file. It could lead to remote code execution.
Solutions
Since NitroPDF Reader is discontinued, and is no longer supported by Nitro Software, we suggest users uninstalling it right away.
Acknowledgement
This vulnerability was discovered by Chris Navarrete of Fortinet's FortiGuard Labs.