CVE-2020-24295 : What You Need to Know

A Buffer Overflow vulnerability in FreeImage 3.19.0 allows remote attackers to execute arbitrary code via a crafted psd file.

Understanding CVE-2020-24295

What is CVE-2020-24295?

The CVE-2020-24295 vulnerability is a Buffer Overflow issue found in PSDParser.cpp::ReadImageLine() in FreeImage 3.19.0 [r1859], enabling attackers to run malicious code through a specially crafted psd file.

The Impact of CVE-2020-24295

This vulnerability poses a severe threat as it allows remote attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2020-24295

Vulnerability Description

The vulnerability arises due to improper handling of data in the PSDParser.cpp::ReadImageLine() function in FreeImage 3.19.0, leading to a buffer overflow condition.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: FreeImage 3.19.0 [r1859]

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a user to open a specially crafted psd file, triggering the buffer overflow and executing malicious code on the target system.

Mitigation and Prevention

Immediate Steps to Take

Avoid opening psd files from untrusted or unknown sources.
Implement network-level security controls to detect and block malicious psd files.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Conduct security training to educate users on identifying and handling suspicious files.

Patching and Updates

Ensure FreeImage is updated to a secure version that addresses the Buffer Overflow vulnerability.