CVE-2022-24404 : Exploit Details and Defense Strategies

A detailed analysis of CVE-2022-24404 highlighting the impact, technical details, and mitigation steps.

Understanding CVE-2022-24404

This CVE involves a lack of cryptographic integrity check on TETRA air-interface encrypted traffic, allowing an active adversary to manipulate cleartext data.

What is CVE-2022-24404?

The vulnerability in the TETRA Standard, specifically in the lack of cryptographic integrity check, enables attackers to tamper with encrypted traffic.

The Impact of CVE-2022-24404

With a CVSS base score of 5.9 (High severity), this vulnerability poses a risk of integrity impact while affecting confidentiality and availability to some extent.

Technical Details of CVE-2022-24404

The following details shed light on the vulnerability's description, affected systems, and exploitation mechanisms.

Vulnerability Description

The issue stems from a stream cipher employed in TETRA, allowing adversaries to manipulate cleartext data in a bit-by-bit manner.

Affected Systems and Versions

Vendor ETSI's TETRA Standard, across all versions, is impacted by this vulnerability.

Exploitation Mechanism

An active adversary can exploit this vulnerability due to the lack of cryptographic integrity checks on the TETRA air-interface encrypted traffic.

Mitigation and Prevention

Understanding the immediate steps and long-term security practices to mitigate the risks posed by CVE-2022-24404.

Immediate Steps to Take

Implement network monitoring, validate incoming data, and apply encryption to protect data integrity against potential attackers.

Long-Term Security Practices

Regular security audits, encryption protocol updates, and employee training can bolster overall cybersecurity posture.

Patching and Updates

Stay informed about security advisories from ETSI and apply patches promptly to fix vulnerabilities and enhance system security.