Bug 1608169 (CVE-2018-1999024)

Summary:	CVE-2018-1999024 mathjax: Cross-site scripting (XSS) flaw in the \unicode macro
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	zbyszek
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mathjax 2.7.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:34:21 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:	1608170, 1608171
Bug Blocks:

Description Sam Fowler 2018-07-25 06:05:11 UTC

MathJax before version 2.7.4 is vulnerable to cross-site script (XSS) injection via the \unicode macro. An attacker could exploit this to execute arbitrary Javascript in a victim's browser.


External Reference:

https://blog.bentkowski.info/2018/06/xss-in-google-colaboratory-csp-bypass.html


Upstream Commit:

https://github.com/mathjax/MathJax/commit/a55da396c18cafb767a26aa9ad96f6f4199852f1

Comment 1 Sam Fowler 2018-07-25 06:05:33 UTC

Created mathjax tracking bugs for this issue:

Affects: epel-all [bug 1608171]
Affects: fedora-all [bug 1608170]

Comment 2 Product Security DevOps Team 2019-06-10 10:34:21 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.