Bug 1813969 (CVE-2020-8823)

Summary:	CVE-2020-8823 sockJS: function htmlfile is not checking the non-alphanumeric symbols which could result in reflected XSS
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	abonas, avibelli, bgeorges, chazlett, dbaker, dkreling, gbrown, jbalunas, jpallich, jwon, kconner, krathod, lnacshon, lthon, mcooper, mszynkie, pgallagh, python-sig, rcernich, rosser.bjr, rruss, sisharma
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	sockjs 0.3.1	Doc Type:	If docs needed, set a value
Doc Text:	A cross-site scripting (XSS) vulnerability was found in the Node.js library, sockjs. An attacker could use this vulnerability to supply a query string with script tags, which could trick a victim into executing a specially crafted JavaScript code.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-19 22:31:43 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1813979
Bug Blocks:	1814173

Description Michael Kaplan 2020-03-16 15:29:45 UTC

function htmlfile is not checking the non-alphanumeric symbols which could result in reflected XSS

Comment 1 Michael Kaplan 2020-03-16 15:40:25 UTC

External References:

https://github.com/theyiyibest/Reflected-XSS-on-SockJS

Comment 2 Michael Kaplan 2020-03-16 15:54:58 UTC

Created python-sockjs-tornado tracking bugs for this issue:

Affects: fedora-all [bug 1813979]

Comment 3 Mark Cooper 2020-03-19 04:15:57 UTC

Upstream commit: https://github.com/sockjs/sockjs-node/commit/8f64d46c02d96b46357827216143c43b236edd36

Comment 5 Mark Cooper 2020-03-19 04:37:19 UTC

ServiceMesh packages sockjs in the following components:
 - servicemesh-grafana
 - jaeger
 - kiali 

However, all components use at least 0.3.18+ and are not vulnerable to the XSS flaw.

Comment 6 Mark Cooper 2020-03-19 04:40:28 UTC

Jaeger v1.17.0 is also not vulnerable, packaging v0.3.19 of sockjs.

Comment 9 Product Security DevOps Team 2020-03-19 22:31:43 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-2020-8823