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CVE-2023-50463

Date: December 10, 2023

The caddy-geo-ip (aka GeoIP) middleware through 0.6.0 for Caddy 2, when trust_header X-Forwarded-For is used, allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism (trusted_proxy directive in reverse_proxy or IP address range restrictions).

Language: Go

Severity Score

Related Resources (5)

https://github.com/shift72/caddy-geo-ip/issues/4
https://caddyserver.com/v2
https://github.com/shift72/caddy-geo-ip/tags
https://nvd.nist.gov/vuln/detail/CVE-2023-50463
https://www.mend.io/vulnerability-database/CVE-2023-50463

Severity Score

Weakness Type (CWE)

Authentication Bypass by Spoofing

CWE-290

CVSS v3.1

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

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