CVE-2011-3187

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Summary

CVECVE-2011-3187
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-08-29 18:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe to_s method in actionpack/lib/action_dispatch/middleware/remote_ip.rb in Ruby on Rails 3.0.5 does not validate the X-Forwarded-For header in requests from IP addresses on a Class C network, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Rubyonrails Rails 3.0.5 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
oss-security - CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
webservsec: Ruby on Rails Vulnerability af854a3a-2127-422b-91ae-364da2661108 webservsec.blogspot.com Exploit
oss-security - Re: CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Exploit
oss-security - Re: CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
oss-security - Re: CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.novell.com Exploit
oss-security - Re: CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
NEOHAPSIS - Peace of Mind Through Integrity and Insight af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com
oss-security - Re: CVE request: ruby on rails flaws (4) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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