CVE-2011-3186

Description

CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the Content-Type header.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.81% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2011/08/17/1 mailing list patch
http://www.openwall.com/lists/oss-security/2011/08/22/13 mailing list patch
https://bugzilla.redhat.com/show_bug.cgi?id=732156 patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html vendor advisory
http://www.openwall.com/lists/oss-security/2011/08/19/11 mailing list patch
http://www.debian.org/security/2011/dsa-2301 vendor advisory
http://secunia.com/advisories/45921 third party advisory
http://www.openwall.com/lists/oss-security/2011/08/20/1 mailing list patch
http://www.openwall.com/lists/oss-security/2011/08/22/14 mailing list
http://www.openwall.com/lists/oss-security/2011/08/22/5 mailing list patch
https://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9 patch
http://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source&output=gplain mailing list patch

Frequently Asked Questions

What is the severity of CVE-2011-3186?
CVE-2011-3186 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3186?
To fix CVE-2011-3186, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3186 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-3186 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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