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GitHub Advisory DatabaseGHSA-RXG9-HGQ7-8PWX

HistoryDec 11, 2023 - 12:30 a.m.

Header spoofing in caddy-geo-ip

2023-12-1100:30:32

CWE-290

GitHub Advisory Database

github.com

caddy-geo-ip

vulnerability

header spoofing

ip address

x-forwarded-for

caddy 2

trust_header.

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

32.2%

JSON

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).

Affected configurations

Vulners

Node

shift72caddy-geo-ipRange≤0.6.0

VendorProductVersionCPE
shift72caddy-geo-ip*cpe:2.3:a:shift72:caddy-geo-ip:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
shift72	caddy-geo-ip	*	cpe:2.3:a:shift72:caddy-geo-ip::::::::

References

caddyserver.com/v2

github.com/advisories/GHSA-rxg9-hgq7-8pwx

github.com/shift72/caddy-geo-ip/issues/4

github.com/shift72/caddy-geo-ip/tags

nvd.nist.gov/vuln/detail/CVE-2023-50463

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

32.2%

JSON

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