Bug 1757701 (CVE-2019-11253) - CVE-2019-11253 kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service
Summary: CVE-2019-11253 kubernetes: YAML parsing vulnerable to "Billion Laughs" attack...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-11253
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1757702 1757708 1757709 1757710 1757711 1757712 1757887 2032712 2032713 2032714
Blocks: 1757703
TreeView+ depends on / blocked
 
Reported: 2019-10-02 08:41 UTC by Sam Fowler
Modified: 2022-05-11 11:34 UTC (History)
45 users (show)

Fixed In Version: kubernetes 1.13.12, kubernetes 1.14.8, kubernetes 1.15.5, kubernetes 1.16.2
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found kubernetes. The parsing of YAML manifests by the Kubernetes API server could lead to a denial-of-service attack leaving it vulnerable to an instance of a "billion laughs" attack. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2019-10-16 18:51:20 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2019:3820 0 None None None 2019-11-11 09:57:43 UTC
Red Hat Product Errata RHBA-2019:3907 0 None None None 2019-11-18 21:44:14 UTC
Red Hat Product Errata RHBA-2019:4059 0 None None None 2019-12-03 08:51:15 UTC
Red Hat Product Errata RHBA-2019:4122 0 None None None 2019-12-10 01:17:47 UTC
Red Hat Product Errata RHSA-2019:3132 0 None None None 2019-10-16 15:36:09 UTC
Red Hat Product Errata RHSA-2019:3239 0 None None None 2019-10-29 16:21:26 UTC
Red Hat Product Errata RHSA-2019:3811 0 None None None 2019-11-07 16:54:28 UTC
Red Hat Product Errata RHSA-2019:3905 0 None None None 2019-11-18 16:22:00 UTC
Red Hat Product Errata RHSA-2020:2795 0 None None None 2020-07-01 18:46:32 UTC
Red Hat Product Errata RHSA-2020:2796 0 None None None 2020-07-01 18:46:01 UTC
Red Hat Product Errata RHSA-2020:2799 0 None None None 2020-07-01 18:45:37 UTC
Red Hat Product Errata RHSA-2020:2861 0 None None None 2020-07-07 19:33:39 UTC
Red Hat Product Errata RHSA-2020:2863 0 None None None 2020-07-07 19:34:08 UTC
Red Hat Product Errata RHSA-2020:2870 0 None None None 2020-07-07 21:16:33 UTC
Red Hat Product Errata RHSA-2022:2183 0 None None None 2022-05-11 11:34:24 UTC

Description Sam Fowler 2019-10-02 08:41:11 UTC 
The parsing of YAML manifests by the Kubernetes API server could lead to a denial-of-service attack against a cluster’s Kubernetes API service, therefore leaving it vulnerable to an instance of a “billion laughs” attack.


Upstream Issue:

https://github.com/kubernetes/kubernetes/issues/83253


Reference:

https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/
Comment 1 Sam Fowler 2019-10-02 08:41:28 UTC 
Created kubernetes tracking bugs for this issue:

Affects: fedora-all [bug 1757702]
Comment 2 Sam Fowler 2019-10-02 08:43:21 UTC 
External References:

https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/
Comment 11 errata-xmlrpc 2019-10-16 15:36:06 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.1

Via RHSA-2019:3132 https://access.redhat.com/errata/RHSA-2019:3132
Comment 12 Product Security DevOps Team 2019-10-16 18:51:20 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-11253
Comment 15 errata-xmlrpc 2019-10-29 16:21:22 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 3.10

Via RHSA-2019:3239 https://access.redhat.com/errata/RHSA-2019:3239
Comment 17 errata-xmlrpc 2019-11-07 16:54:26 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 3.9

Via RHSA-2019:3811 https://access.redhat.com/errata/RHSA-2019:3811
Comment 18 errata-xmlrpc 2019-11-18 16:21:58 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 3.11

Via RHSA-2019:3905 https://access.redhat.com/errata/RHSA-2019:3905
Comment 25 errata-xmlrpc 2020-07-01 18:45:34 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.1

Via RHSA-2020:2799 https://access.redhat.com/errata/RHSA-2020:2799
Comment 26 errata-xmlrpc 2020-07-01 18:45:58 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.1

Via RHSA-2020:2796 https://access.redhat.com/errata/RHSA-2020:2796
Comment 27 errata-xmlrpc 2020-07-01 18:46:28 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.1

Via RHSA-2020:2795 https://access.redhat.com/errata/RHSA-2020:2795
Comment 28 errata-xmlrpc 2020-07-07 19:33:35 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.0

Via RHSA-2020:2861 https://access.redhat.com/errata/RHSA-2020:2861
Comment 29 errata-xmlrpc 2020-07-07 19:34:05 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.0

Via RHSA-2020:2863 https://access.redhat.com/errata/RHSA-2020:2863
Comment 30 errata-xmlrpc 2020-07-07 21:16:30 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.0

Via RHSA-2020:2870 https://access.redhat.com/errata/RHSA-2020:2870
Comment 32 errata-xmlrpc 2022-05-11 11:34:20 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.2

Via RHSA-2022:2183 https://access.redhat.com/errata/RHSA-2022:2183
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