CVE-2022-27928 : Security Advisory and Response

This article provides details about CVE-2022-27928, a vulnerability found in Pexip Infinity 27.x before version 27.3, which allows remote attackers to trigger a software abort via the Session Initiation Protocol (SIP).

Understanding CVE-2022-27928

CVE-2022-27928 is a security vulnerability in Pexip Infinity 27.x that can be exploited by remote attackers to induce a software abort by utilizing the Session Initiation Protocol.

What is CVE-2022-27928?

CVE-2022-27928 is a CVE ID assigned to a specific vulnerability discovered in Pexip Infinity 27.x versions prior to 27.3. This vulnerability enables remote attackers to cause a software abort using SIP.

The Impact of CVE-2022-27928

The impact of this vulnerability is significant as it allows malicious actors to disrupt the normal operation of Pexip Infinity 27.x systems through the exploitation of SIP, potentially leading to service interruptions and system instability.

Technical Details of CVE-2022-27928

Below are the technical aspects associated with CVE-2022-27928:

Vulnerability Description

The vulnerability in Pexip Infinity 27.x before version 27.3 permits remote attackers to instigate a software abort by leveraging the Session Initiation Protocol.

Affected Systems and Versions

All Pexip Infinity 27.x versions preceding 27.3 are affected by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending malicious requests via the Session Initiation Protocol, resulting in a software abort on the targeted system.

Mitigation and Prevention

To mitigate the risks posed by CVE-2022-27928, the following steps can be taken:

Immediate Steps to Take

Update Pexip Infinity systems to version 27.3 or newer to eliminate the vulnerability.
Implement network security measures to restrict unauthorized access to SIP services.

Long-Term Security Practices

Regularly monitor and audit SIP traffic for any suspicious activities.
Stay informed about security bulletins and updates from Pexip.

Patching and Updates

Apply security patches provided by Pexip promptly to ensure that systems are protected from known vulnerabilities.