CVE-2021-41943 : Security Advisory and Response

A vulnerability in Logrhythm Web Console 7.4.9 allows HTML tag injection, potentially leading to security risks.

Understanding CVE-2021-41943

Logrhythm Web Console 7.4.9 is susceptible to a security flaw that permits malicious HTML tag injection.

What is CVE-2021-41943?

The CVE-2021-41943 vulnerability enables attackers to inject HTML tags through specific actions in the Logrhythm Web Console, potentially compromising system integrity.

The Impact of CVE-2021-41943

This vulnerability could be exploited by threat actors to execute cross-site scripting attacks, compromising data confidentiality and system security.

Technical Details of CVE-2021-41943

Logrhythm Web Console 7.4.9 vulnerability involves:

Vulnerability Description

Allows HTML tag injection through the Contextualize Action feature

Affected Systems and Versions

Vendor: Logrhythm
Product: Web Console 7.4.9
Versions: All versions are affected

Exploitation Mechanism

Attacker injects malicious HTML tags in the name field of a new Contextualize Action in the Logrhythm Web Console

Mitigation and Prevention

Immediate Steps to Take:

Avoid inputting untrusted data in the name field
Regularly update and patch Logrhythm Web Console to the latest version

Long-Term Security Practices:

Implement input validation to detect and block malicious HTML tags
Educate users on the risks of HTML tag injection and best practices to prevent it
Utilize web application firewalls to filter out malicious input
Monitor and log suspicious activities for timely detection and response
Conduct security assessments and penetration testing regularly
Collaborate with security experts to enhance system defenses
Stay informed about cybersecurity trends and emerging threats

Patch and Updates:

Logrhythm should release a patch addressing the HTML tag injection vulnerability