CVE-2019-5419

Public Exploit

Description

There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 9.06% Top 10%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: Rails https://github.com/rails/rails
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2019/03/22/1 patch mailing list exploit mitigation third party advisory
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ third party advisory patch
https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:0796 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/ vendor advisory
https://access.redhat.com/errata/RHSA-2019:1149 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:1147 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:1289 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html vendor advisory mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-5419?
CVE-2019-5419 has been scored as a high severity vulnerability.
How to fix CVE-2019-5419?
To fix CVE-2019-5419, 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-2019-5419 being actively exploited in the wild?
It is possible that CVE-2019-5419 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5419?
CVE-2019-5419 affects Rails https://github.com/rails/rails.
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