Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-3287

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
22/09/2009
Last modified:
09/04/2025

Description

lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to spoof the IP address and hide activities via a modified X-Forwarded-For header.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:macournoyer:thin:*:*:*:*:*:*:*:* 1.2.2 (including)
cpe:2.3:a:macournoyer:thin:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.6.4:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:macournoyer:thin:0.8.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools