CVE-2021-27550 : What You Need to Know
Learn about CVE-2021-27550 affecting Polaris Office v9.102.66. Find out how a divide-by-zero error allows local denial of service by opening a crafted PDF file.
A detailed analysis of CVE-2021-27550, focusing on the divide-by-zero error in Polaris Office v9.102.66 that leads to a local denial of service when opening a crafted PDF file.
Understanding CVE-2021-27550
This section provides insights into the vulnerability found in Polaris Office v9.102.66, highlighting its impact and technical details.
What is CVE-2021-27550?
Polaris Office v9.102.66 is prone to a divide-by-zero error in PolarisOffice.exe and EngineDLL.dll. This vulnerability can be exploited by opening a specially crafted PDF file.
The Impact of CVE-2021-27550
The vulnerability may result in a local denial of service on the affected system. An attacker with a crafted PDF file can trigger the divide-by-zero error, leading to system instability.
Technical Details of CVE-2021-27550
Delve deeper into the technical aspects of CVE-2021-27550 to understand the vulnerability, affected systems, and exploitation methods.
Vulnerability Description
Polaris Office v9.102.66 is vulnerable to a divide-by-zero error within PolarisOffice.exe and EngineDLL.dll. The flaw arises when processing specific PDF files.
Affected Systems and Versions
The vulnerability impacts Polaris Office v9.102.66 across all versions. Users of this software need to be cautious when handling PDF files.
Exploitation Mechanism
To exploit CVE-2021-27550, a threat actor must trick a user into opening a malicious PDF file with the intention of triggering the divide-by-zero error.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-27550 and secure your systems effectively.
Immediate Steps to Take
Users are advised to avoid opening untrusted or suspicious PDF files to prevent falling victim to this divide-by-zero vulnerability.
Long-Term Security Practices
Implementing secure PDF handling protocols and staying updated on security patches can bolster your defense against such vulnerabilities.
Patching and Updates
Stay informed about patches released by Polaris Office to address the CVE-2021-27550 vulnerability and promptly apply them to safeguard your systems.