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CVE-2024-23656

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Date: January 25, 2024

Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex 2.37.0 serves HTTPS with insecure TLS 1.0 and TLS 1.1. "cmd/dex/serve.go" line 425 seemingly sets TLS 1.2 as minimum version, but the whole "tlsConfig" is ignored after "TLS cert reloader" was introduced in v2.37.0. Configured cipher suites are not respected either. This issue is fixed in Dex 2.38.0.

Language: Go

Severity Score

Severity Score

Weakness Type (CWE)

Inadequate Encryption Strength

CWE-326

Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

CWE-757

Top Fix

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Upgrade Version

Upgrade to version github.com/dexidp/dex - v2.38.0;github.com/dexidp/dex - v0.0.0-20240125115555-5bbdb4420254

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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