Headline
GHSA-rxg9-hgq7-8pwx: Header spoofing in caddy-geo-ip
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).
Header spoofing in caddy-geo-ip
Moderate severity GitHub Reviewed Published Dec 11, 2023 to the GitHub Advisory Database • Updated Dec 11, 2023
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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).