CVE-2023-50463 — Authentication Bypass by Spoofing in Shift72 Caddy-geo-ip

CWE-290 — Authentication Bypass by Spoofing5 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 74.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Shift72 Caddy-geo-ipCaddyserver Caddy
Timeline
PublishedDec 10
Latest updateJan 2

Description

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).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

🔴Vulnerability Details

4
OSV
Spoofed source IP address in github.com/shift72/caddy-geo-ip↗2024-01-02
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GHSA
Header spoofing in caddy-geo-ip↗2023-12-11
▶
OSV
Header spoofing in caddy-geo-ip↗2023-12-11
▶
CVEList
CVE-2023-50463: The caddy-geo-ip (aka GeoIP) middleware through 0↗2023-12-10
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CVE-2023-50463 — Authentication Bypass by Spoofing | cvebase