Bug 1845982 (CVE-2020-7662) - CVE-2020-7662 npmjs-websocket-extensions: ReDoS vulnerability in Sec-WebSocket-Extensions parser
Summary: CVE-2020-7662 npmjs-websocket-extensions: ReDoS vulnerability in Sec-WebSocke...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-7662
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: 1846130 1846131 1846138 1846140 1846826 1847294 1847295
Blocks: 1845986
TreeView+ depends on / blocked
 
Reported: 2020-06-10 14:20 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 19:54 UTC (History)
23 users (show)

Fixed In Version: npmjs-websocket-extensions 0.1.4
Clone Of:
Environment:
Last Closed: 2020-07-01 19:27:56 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2796 0 None None None 2020-07-01 18:46:08 UTC
Red Hat Product Errata RHSA-2020:2861 0 None None None 2020-07-07 19:33:47 UTC
Red Hat Product Errata RHSA-2020:4298 0 None None None 2020-10-27 16:24:06 UTC

Description Guilherme de Almeida Suckevicz 2020-06-10 14:20:35 UTC 
websocket-extensions npm module prior to 1.0.4 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. This could be abused by an attacker to conduct Regex Denial Of Service (ReDoS) on a single-threaded server by providing a malicious payload with the Sec-WebSocket-Extensions header.

Reference:
https://github.com/faye/websocket-extensions-node/security/advisories/GHSA-g78m-2chm-r7qv

Upstream commit:
https://github.com/faye/websocket-extensions-node/commit/29496f6838bfadfe5a2f85dff33ed0ba33873237
Comment 1 Dave Baker 2020-06-10 20:46:32 UTC 
Based on upstream links, this is prior to 0.1.4 (not 1.0.4)
Comment 8 Mark Cooper 2020-06-16 06:26:13 UTC 
Statement:

In both OpenShift Container Platform (OCP) and OpenShift ServiceMesh (OSSM), the grafana and prometheus containers are behind OpenShift OAuth restricting access to the vulnerable websocket-extension to authenticated users only, therefore the impact is Low.
Comment 10 Mark Cooper 2020-06-16 07:22:42 UTC 
OpenShift (OCP) 4.x includes a vulnerable version of websocket-extension (v0.1.3) in containers openshift4/ose-grafana and openshift4/ose-prometheus.

OpenShift ServiceMesh (OSSM) includes a vulnerable version (v0.1.3) in the openshift-service-mesh/grafana-rhel8 container.
Comment 11 Mark Cooper 2020-06-16 07:35:50 UTC 
External References:

https://github.com/faye/websocket-extensions-node/security/advisories/GHSA-g78m-2chm-r7qv
Comment 13 errata-xmlrpc 2020-07-01 18:46:07 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 14 Product Security DevOps Team 2020-07-01 19:27:56 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-2020-7662
Comment 15 errata-xmlrpc 2020-07-07 19:33:44 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 17 errata-xmlrpc 2020-10-27 16:24:03 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.6

Via RHSA-2020:4298 https://access.redhat.com/errata/RHSA-2020:4298
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