CVE-2023-3428 : Security Advisory and Response

This CVE-2023-3428 involves a heap-buffer-overflow vulnerability in coders/tiff.c in ImageMagick, with a moderate severity rating assigned by Red Hat. The vulnerability could potentially allow a local attacker to exploit the issue by tricking a user into opening a specially crafted file, leading to an application crash and denial of service.

Understanding CVE-2023-3428

This section delves into the specific details of the CVE-2023-3428 vulnerability, including its impact, technical aspects, affected systems, and mitigation strategies.

What is CVE-2023-3428?

The vulnerability is a heap-based buffer overflow found in coders/tiff.c in ImageMagick. This flaw could be exploited by a local attacker to manipulate a user into opening a malicious file, resulting in a crash of the application and a denial of service.

The Impact of CVE-2023-3428

With a CVSS v3.1 base score of 6.2 and a medium severity rating, this vulnerability poses a significant risk, particularly for users who may be targeted by local attackers attempting to exploit the heap-based buffer overflow.

Technical Details of CVE-2023-3428

This section provides insights into the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The heap-based buffer overflow vulnerability in coders/tiff.c in ImageMagick allows local attackers to potentially cause an application crash and denial of service by tricking users into opening specially crafted files.

Affected Systems and Versions

ImageMagick 7.1.1-19: Unaffected
Red Hat Enterprise Linux 6: Vulnerable
Red Hat Enterprise Linux 7: Vulnerable
Fedora: Affected
Extra Packages for Enterprise Linux 8: Affected

Exploitation Mechanism

The vulnerability can be exploited locally, with low attack complexity and a high impact on availability, making it a significant concern for affected systems.

Mitigation and Prevention

In response to CVE-2023-3428, it is crucial to take immediate steps to secure systems and implement long-term security practices to prevent future vulnerabilities.

Immediate Steps to Take

Consider updating ImageMagick to a patched version.
Be cautious when opening files from unknown or untrusted sources.
Monitor security advisories for relevant updates and patches.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users on safe browsing habits and file handling procedures.
Utilize intrusion detection systems and security monitoring tools.

Patching and Updates

Refer to relevant vendors' websites, such as Red Hat and Fedora, for official patches and updates to address the CVE-2023-3428 vulnerability.