CVE-2016-2097

Description

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.2 and 4.x before 4.1.14.2 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0752.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.75% Top 15%
Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory rubyonrails.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00006.html vendor advisory
http://www.debian.org/security/2016/dsa-3509 vendor advisory
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ mailing list
http://www.securitytracker.com/id/1035122 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00083.html vendor advisory
http://www.securityfocus.com/bid/83726 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00080.html vendor advisory
http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/ patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2097?
CVE-2016-2097 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2097?
To fix CVE-2016-2097, 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-2016-2097 being actively exploited in the wild?
It is possible that CVE-2016-2097 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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