8.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-2048

CVE-2024-2048: Incorrect TLS certificate auth method in Vault

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as trusted certificate. In this configuration, an attacker may be able to craft a malicious certificate that could be used to bypass authentication. Fixed in Vault 1.15.5 and 1.14.10.

(GitHub Advisory)

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CVE-2024-2048

CVE-2024-2048:

8.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/hashicorp/vault	go	>= 1.15.0, < 1.15.5	1.15.5
github.com/hashicorp/vault	go	< 1.14.10	1.14.10

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from improper certificate validation when using non-CA certificates as trusted authorities. The certificate authentication flow in Vault's TLS auth method would typically involve functions that validate() client certificates against configured trusted certificates. The function 'validateClient' in the certificate auth module is a logical candidate, as it would handle client certificate validation. The vulnerability description indicates that the validation logic did not properly handle non-CA trusted certificates, suggesting a missing check for CA flag validity or improper chain verification in this function. This matches the CWE-295 pattern of improper certificate validation.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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