Bug 1844255 (CVE-2020-12604) - CVE-2020-12604 envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows
Summary: CVE-2020-12604 envoy: Resource exhaustion via HTTP/2 client requests with lar...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-12604
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1844256
TreeView+ depends on / blocked
 
Reported: 2020-06-04 21:38 UTC by Pedro Sampaio
Modified: 2021-02-16 19:56 UTC (History)
3 users (show)

Fixed In Version: envoy 1.14.2
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Clone Of:
Environment:
Last Closed: 2020-07-01 19:27:53 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2798 0 None None None 2020-07-01 18:44:36 UTC
Red Hat Product Errata RHSA-2020:2864 0 None None None 2020-07-07 19:34:40 UTC

Description Pedro Sampaio 2020-06-04 21:38:30 UTC 
Envoy through 1.14.1 is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream. The attacker can cause data associated with many streams to be buffered forever.
Comment 1 Pedro Sampaio 2020-06-04 21:38:34 UTC 
Acknowledgments:

Name: the Envoy security team
Comment 4 Mark Cooper 2020-06-30 22:04:15 UTC 
External References:

https://istio.io/latest/news/security/istio-security-2020-007/
Comment 5 Mark Cooper 2020-06-30 23:16:50 UTC 
Upstream commit: https://github.com/envoyproxy/envoy/commit/5eba69a1f375413fb93fab4173f9c393ac8c2818
Comment 6 errata-xmlrpc 2020-07-01 18:44:35 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.1

Via RHSA-2020:2798 https://access.redhat.com/errata/RHSA-2020:2798
Comment 7 Product Security DevOps Team 2020-07-01 19:27:53 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-2020-12604
Comment 8 errata-xmlrpc 2020-07-07 19:34:38 UTC 
This issue has been addressed in the following products:

  OpenShift Service Mesh 1.0

Via RHSA-2020:2864 https://access.redhat.com/errata/RHSA-2020:2864
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