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CVE-2019-5419

Good to know:

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Date: March 27, 2019

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.

Language: Ruby

Severity Score

Related Resources (21)

https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
https://access.redhat.com/errata/RHSA-2019:0796
https://access.redhat.com/errata/RHSA-2019:1149
https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
https://access.redhat.com/errata/RHSA-2019:1147
https://access.redhat.com/errata/RHSA-2019:1289
https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2019-5419.yml
https://github.com/rails/rails/commit/f4c70c2222180b8d9d924f00af0c7fd632e26715
http://www.openwall.com/lists/oss-security/2019/03/22/1
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
https://github.com/rails/rails
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
https://github.com/rails/rails/pull/35708
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
https://nvd.nist.gov/vuln/detail/CVE-2019-5419
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
https://www.mend.io/vulnerability-database/CVE-2019-5419

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade to version 4.2.11.1, 5.0.7.2, 5.1.6.2, 5.2.2.1,6.0.0.beta3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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