CVE-2009-3287

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Summary

CVECVE-2009-3287
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-09-22 10:30:00 UTC
Updated2026-04-23 00:35:47 UTC
Descriptionlib/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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Macournoyer Thin 0.4.0 All All All
Application Macournoyer Thin 0.4.1 All All All
Application Macournoyer Thin 0.5.0 All All All
Application Macournoyer Thin 0.5.1 All All All
Application Macournoyer Thin 0.5.2 All All All
Application Macournoyer Thin 0.5.3 All All All
Application Macournoyer Thin 0.5.4 All All All
Application Macournoyer Thin 0.6.0 All All All
Application Macournoyer Thin 0.6.3 All All All
Application Macournoyer Thin 0.6.4 All All All
Application Macournoyer Thin 0.7.0 All All All
Application Macournoyer Thin 0.7.1 All All All
Application Macournoyer Thin 0.8.0 All All All
Application Macournoyer Thin 0.8.1 All All All
Application Macournoyer Thin 0.8.2 All All All
Application Macournoyer Thin 1.0.0 All All All
Application Macournoyer Thin 1.1.0 All All All
Application Macournoyer Thin 1.1.1 All All All
Application Macournoyer Thin 1.2.0 All All All
Application Macournoyer Thin 1.2.1 All All All
Application Macournoyer Thin All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Commit 7bd027914c5ffd36bb408ef47dc749de3b6e063a to macournoyer's thin - GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch
CHANGELOG at master from macournoyer's thin - GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
oss-security - CVE request(?): Thin: Client IP spoofing af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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