[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Tue, 22 Oct 2019 09:15:06 -0400
From: Mike Dalessio <mike.dalessio@...il.com>
To: ruby-security-ann@...glegroups.com, rubyonrails-security@...glegroups.com,
oss-security@...ts.openwall.com, loofah-talk@...glegroups.com
Subject: [CVE-2019-15587] Loofah XSS Vulnerability
Hello all,
A *medium* severity vulnerability has been identified and patched in Loofah
v2.3.1, which is a dependency of `rails-html-sanitizer`. This issue has
been assigned CVE-2019-15587.
The public notice can be found here:
https://github.com/flavorjones/loofah/issues/171
To save you a click, I've reproduced the contents of the announcement here.
---
*# CVE-2019-15587 - Loofah XSS Vulnerability*
This issue has been created for public disclosure of an XSS vulnerability
that was responsibly reported by https://hackerone.com/vxhex
I'd like to thank [HackerOne](https://hackerone.com/loofah) for providing a
secure, responsible mechanism for reporting, and for providing their
fantastic service to the Loofah maintainers.
*## Severity*
Loofah maintainers have evaluated this as [Medium (CVSS3 6.4)](
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
).
*## Description*
In the Loofah gem, through v2.3.0, unsanitized JavaScript may occur in
sanitized output when a crafted SVG element is republished.
*## Affected Versions*
Loofah < v2.3.0
*## Mitigation*
Upgrade to Loofah v2.3.1 or later.
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
