CVE-2022-2337 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2022-2337, a vulnerability found in Softing Secure Integration Server V1.22 that can lead to a denial-of-service condition when a crafted HTTP packet with a missing HTTP URI is encountered.

Understanding CVE-2022-2337

CVE-2022-2337 is a low-complexity network vulnerability with a high impact on availability, classified as a NULL Pointer Dereference (CWE-476). It was reported by Pedro Ribeiro and Radek Domanski, in collaboration with Trend Micro Zero Day Initiative.

What is CVE-2022-2337?

The CVE-2022-2337 vulnerability affects Softing Secure Integration Server V1.22. An attacker can exploit this flaw by sending a specially crafted HTTP packet with a missing HTTP URI, triggering a denial-of-service condition.

The Impact of CVE-2022-2337

With a CVSS v3.1 base score of 7.5, CVE-2022-2337 poses a high risk, potentially allowing remote attackers to disrupt the availability of the affected server without requiring any privileges or user interaction. The confidentiality and integrity of the system are not impacted.

Technical Details of CVE-2022-2337

Vulnerability Description

The vulnerability arises due to a NULL Pointer Dereference condition that occurs when processing HTTP packets with missing URIs, leading to a denial-of-service situation for the Softing Secure Integration Server V1.22.

Affected Systems and Versions

Softing Secure Integration Server V1.22 is the only known affected version by CVE-2022-2337.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending a specifically crafted HTTP packet without a URI, causing the server to crash and resulting in a denial of service.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2022-2337, users are strongly advised to update to the latest version of the software, specifically Softing Secure Integration Server V1.30. Additional steps include changing the admin password, configuring firewalls to block network requests to port 9000, and disabling the HTTP Server in NGINX configuration.

Long-Term Security Practices

In the long term, it is crucial to stay informed about security updates for Softing Secure Integration Server and promptly apply patches and updates provided by the vendor to address known vulnerabilities.

Patching and Updates

Softing has released new versions to address CVE-2022-2337 and other vulnerabilities. Users should download Softing Secure Integration Server V1.30 from the official website and follow the recommended mitigations as outlined in the security advisory SYT-2022-4.