CVE-2023-47996 Explained : Impact and Mitigation

An integer overflow vulnerability in Exif.cpp::jpeg_read_exif_dir in FreeImage 3.18.0 allows attackers to obtain information and cause a denial of service.

Understanding CVE-2023-47996

This CVE-2023-47996 details an integer overflow vulnerability affecting FreeImage 3.18.0, enabling attackers to trigger a denial of service by exploiting Exif.cpp::jpeg_read_exif_dir.

What is CVE-2023-47996?

CVE-2023-47996 is an integer overflow vulnerability in FreeImage 3.18.0 that allows malicious actors to gather sensitive information and launch denial of service attacks.

The Impact of CVE-2023-47996

The impact of CVE-2023-47996 includes the potential for data exposure and disruption of services, leading to system unavailability and compromised confidentiality.

Technical Details of CVE-2023-47996

This section delves into the specifics of the CVE, outlining the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability exists in Exif.cpp::jpeg_read_exif_dir in FreeImage 3.18.0 due to an integer overflow, which can be exploited by threat actors to trigger a denial of service and access unauthorized information.

Affected Systems and Versions

All versions of FreeImage 3.18.0 are affected by CVE-2023-47996. Users of this software version should take immediate action to mitigate the risk.

Exploitation Mechanism

By manipulating the Exif.cpp::jpeg_read_exif_dir function in FreeImage 3.18.0, attackers can exploit the integer overflow vulnerability to disrupt services and gain unauthorized access to data.

Mitigation and Prevention

In this section, we explore the steps to mitigate the impact of CVE-2023-47996 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users are advised to apply security patches or updates provided by FreeImage to address the CVE-2023-47996 vulnerability. Additionally, implementing network-level controls can help prevent exploitation.

Long-Term Security Practices

To enhance overall security posture, organizations should conduct regular security assessments, implement secure coding practices, and educate employees on identifying and reporting vulnerabilities.

Patching and Updates

Regularly monitor for security advisories from FreeImage and promptly apply recommended patches and updates to protect systems from known vulnerabilities.