CVE-2022-26088 : Security Advisory and Response
CVE-2022-26088 discovered in BMC Remedy enables HTML injection in the Activity Log, impacting versions before 22.1. Learn the risks and mitigation steps.
An issue was discovered in BMC Remedy before version 22.1 where Email-based Incident Forwarding allows remote authenticated users to inject HTML (such as an SSRF payload) into the Activity Log by placing it in the To: field. This affects rendering that occurs upon a click in the 'number of recipients' field. The vendor's position is that 'no real impact is demonstrated.'
Understanding CVE-2022-26088
This section will provide insights into the nature and implications of CVE-2022-26088.
What is CVE-2022-26088?
CVE-2022-26088 is a security vulnerability found in BMC Remedy before version 22.1. It enables remote authenticated users to insert HTML content into the Activity Log, potentially leading to an SSRF payload injection when placed in the To: field.
The Impact of CVE-2022-26088
The vulnerability allows threat actors to manipulate the Activity Log, posing potential risks such as unauthorized data access or system exploitation.
Technical Details of CVE-2022-26088
In this section, we will delve into the specifics of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw in BMC Remedy permits authenticated users to insert HTML content into the Activity Log, specifically via the To: field, influencing the rendering process linked to the 'number of recipients' field.
Affected Systems and Versions
The issue impacts BMC Remedy versions prior to 22.1, exposing these systems to the risk of HTML content injections by authorized remote users.
Exploitation Mechanism
By leveraging the Email-based Incident Forwarding feature, attackers with valid credentials can embed HTML, possibly executing an SSRF payload upon user interaction.
Mitigation and Prevention
This section outlines strategies to mitigate the risks posed by CVE-2022-26088 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update BMC Remedy to version 22.1 or later to address the vulnerability and prevent unauthorized HTML injection attempts.
Long-Term Security Practices
Implementing robust access controls, conducting regular security assessments, and user awareness training can strengthen overall security posture.
Patching and Updates
Stay informed about security advisories from BMC and promptly apply patches and updates to ensure ongoing protection against emerging threats.