Bug 1559250 (CVE-2018-3740) - CVE-2018-3740 rubygem-sanitize: Improper filtering by libxml2 allows for cross-site scripting (XSS)
Summary: CVE-2018-3740 rubygem-sanitize: Improper filtering by libxml2 allows for cros...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-3740
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: 1559251
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-03-22 04:53 UTC by Sam Fowler
Modified: 2019-09-29 14:35 UTC (History)
2 users (show)

Fixed In Version: rubygem-sanitize 4.6.3
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Environment:
Last Closed: 2019-06-10 10:18:21 UTC


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Description Sam Fowler 2018-03-22 04:53:41 UTC
rubygem-sanitize before version 4.6.3 is vulnerable to a HTML injection vulnerability when used with libxml2 from version 2.9.2. An attacker could exploit this to perfrom a cross-site scripting attack (XSS).


External References:

https://github.com/rgrove/sanitize/issues/176
http://seclists.org/oss-sec/2018/q1/254


Upstream Patch:

https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e

Comment 1 Sam Fowler 2018-03-22 04:54:47 UTC
Created rubygem-sanitize tracking bugs for this issue:

Affects: fedora-all [bug 1559251]

Comment 2 Product Security DevOps Team 2019-06-10 10:18:21 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.


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