CVE-2024-5921: Detailed Vulnerability Analysis and Overview

Status: Received - Published on 27-11-2024

CVE-2024-5921
Vulnerability Scoring

Analysis In Progress

Attack Complexity Details

  • Attack Complexity: Analysis in progress
  • Attack Vector: Analysis in progress
  • Privileges Required: Analysis in progress

CIA Impact Definition

  • Confidentiality:
  • Integrity:
  • Availability:

CVE-2024-5921 Vulnerability Summary

An insufficient certification validation issue in the Palo Alto Networks GlobalProtect app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root certificates on the endpoint and subsequently install malicious software signed by the malicious root certificates on that endpoint. GlobalProtect App for Android is under evaluation. Please subscribe to our RSS feed https://security.paloaltonetworks.com/rss.xml to be alerted to new updates to this and other advisories.

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Access Complexity Graph for CVE-2024-5921

Impact Analysis for CVE-2024-5921

CVE-2024-5921: Detailed Information and External References

EPSS

0.00045

EPSS %

0.17329

References

0.00045

CWE

CWE-295

CAPEC

0.00045

  • Creating a Rogue Certification Authority Certificate: An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
  • Signature Spoofing by Improper Validation: An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.

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