CVE-2021-27270 : What You Need to Know
Learn about CVE-2021-27270, a vulnerability in Foxit PhantomPDF 10.1.0.37527 allowing remote code execution. Understand the impact, technical details, and mitigation steps.
This CVE-2021-27270 article provides detailed information about a vulnerability in Foxit PhantomPDF version 10.1.0.37527 that allows remote attackers to execute arbitrary code. It discusses the impact, technical details, and mitigation steps.
Understanding CVE-2021-27270
This section will cover what CVE-2021-27270 is and its impact on affected systems.
What is CVE-2021-27270?
CVE-2021-27270 is a vulnerability in Foxit PhantomPDF 10.1.0.37527 that enables remote attackers to execute arbitrary code by exploiting a flaw in the parsing of JPEG2000 images.
The Impact of CVE-2021-27270
The vulnerability has a CVSS base score of 7.8 (High severity) with a requirement of user interaction to exploit. Attackers can execute code in the context of the current process, leading to confidentiality, integrity, and availability impacts.
Technical Details of CVE-2021-27270
This section provides technical details including the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability results from the lack of proper validation of user-supplied data, allowing attackers to read past the end of an allocated structure and execute arbitrary code.
Affected Systems and Versions
Foxit PhantomPDF version 10.1.0.37527 is affected by this vulnerability.
Exploitation Mechanism
User interaction is required for exploitation, where the target must visit a malicious page or open a malicious file.
Mitigation and Prevention
Here we explore steps to mitigate the risk posed by CVE-2021-27270 and prevent potential exploitation.
Immediate Steps to Take
Users should avoid opening untrusted links or files and apply security patches provided by Foxit to address the vulnerability.
Long-Term Security Practices
Implementing security best practices such as regular software updates, security training, and monitoring can help prevent future vulnerabilities.
Patching and Updates
Foxit users are advised to update PhantomPDF to the latest version to eliminate the vulnerability.