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nvd[email protected]NVD:CVE-2024-23656
HistoryJan 25, 2024 - 8:15 p.m.

CVE-2024-23656

2024-01-2520:15:41
CWE-326
CWE-757
web.nvd.nist.gov
4
dex
identity service
openid connect
authentication
insecure tls
cve-2024-23656

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

25.8%

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.

Affected configurations

Nvd
Node
linuxfoundationdexMatch2.37.0
VendorProductVersionCPE
linuxfoundationdex2.37.0cpe:2.3:a:linuxfoundation:dex:2.37.0:*:*:*:*:*:*:*

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

25.8%