CVE-2022-24977 : Vulnerability Insights and Analysis

ImpressCMS before version 1.4.2 is vulnerable to unauthenticated remote code execution due to a directory traversal flaw in origName or imageName. This vulnerability allows attackers to interact maliciously with the CKEditor processImage.php script. When PHP_SESSION_UPLOAD_PROGRESS is supported, an attacker can execute arbitrary code.

Understanding CVE-2022-24977

This CVE pertains to a vulnerability in ImpressCMS that could lead to unauthenticated remote code execution.

What is CVE-2022-24977?

CVE-2022-24977 is a security vulnerability in ImpressCMS versions before 1.4.2 that allows attackers to execute remote code by exploiting a directory traversal vulnerability.

The Impact of CVE-2022-24977

The vulnerability in CVE-2022-24977 can be exploited by unauthenticated attackers to run arbitrary code on the target system. This could lead to a complete compromise of the affected system.

Technical Details of CVE-2022-24977

This section covers the technical aspects of the vulnerability in ImpressCMS.

Vulnerability Description

The vulnerability in ImpressCMS before 1.4.2 arises from improper handling of user-supplied input, which can be exploited to achieve remote code execution.

Affected Systems and Versions

ImpressCMS versions prior to 1.4.2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability through a directory traversal technique in origName or imageName, allowing them to interact maliciously with the CKEditor processImage.php script.

Mitigation and Prevention

To protect systems from CVE-2022-24977, immediate actions need to be taken to secure the environment and prevent exploitation.

Immediate Steps to Take

Upgrade ImpressCMS to version 1.4.2 or later to mitigate the vulnerability.
Disable CKEditor processImage.php script if not essential for functionality.

Long-Term Security Practices

Conduct regular security assessments to identify vulnerabilities proactively.
Implement strict input validation mechanisms to prevent directory traversal attacks.

Patching and Updates

Stay updated with security patches released by ImpressCMS and promptly apply them to ensure protection against known vulnerabilities.