CVE-2019-15587: XSS
First published: Tue Oct 22 2019(Updated: )
In the Loofah gem for Ruby through v2.3.0 unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/loofah | <2.3.1 | 2.3.1 |
| debian/ruby-loofah | <=2.0.3-1<=2.0.3-2+deb9u2<=2.2.3-1 | 2.3.1+dfsg-1 2.2.3-1+deb10u1 2.0.3-2+deb9u3 |
| ubuntu/ruby-loofah | <2.0.3-2+ | 2.0.3-2+ |
| debian/ruby-loofah | 2.2.3-1+deb10u1 2.2.3-1+deb10u2 2.7.0+dfsg-1 2.19.1-1 2.22.0-1 | |
| Loofah (Ruby Gem) | <=2.3.0 | |
| Red Hat Fedora | =30 | |
| Red Hat Fedora | =31 | |
| Ubuntu | =16.04 | |
| Debian Linux | =9.0 | |
| Debian Linux | =10.0 |
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Reference Links
- https://www.openwall.com/lists/oss-security/2019/10/22/1
- https://security-tracker.debian.org/tracker/CVE-2019-15587
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942894
- https://nvd.nist.gov/vuln/detail/CVE-2019-15587
- https://github.com/flavorjones/loofah/issues/171
- https://hackerone.com/reports/709009
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4WK2UG7ORKRQOJ6E4XJ2NVIHYJES6BYZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMCWPLYPNIWYAY443IZZJ4IHBBLIHBP5/
- https://security.netapp.com/advisory/ntap-20191122-0003/
- https://usn.ubuntu.com/4498-1/
- https://www.debian.org/security/2019/dsa-4554
- https://github.com/flavorjones/loofah/commit/0c6617af440879ce97440f6eb6c58636456dc8ec
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2019-15587.yml
- https://github.com/advisories/GHSA-c3gv-9cxf-6f57 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2019-15587
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4WK2UG7ORKRQOJ6E4XJ2NVIHYJES6BYZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMCWPLYPNIWYAY443IZZJ4IHBBLIHBP5/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15587
- https://ubuntu.com/security/notices/USN-4498-1
- https://ubuntu.com/security/CVE-2019-15587
Frequently Asked Questions
What is the severity of CVE-2019-15587?
CVE-2019-15587 is considered a medium severity vulnerability due to the risk of unsanitized JavaScript executing in sanitized output.
How do I fix CVE-2019-15587?
To fix CVE-2019-15587, upgrade the Loofah gem to version 2.3.1 or later.
Which versions of Loofah are affected by CVE-2019-15587?
Versions of Loofah gem through v2.3.0 are affected by CVE-2019-15587.
What type of vulnerability is CVE-2019-15587?
CVE-2019-15587 is a Cross-Site Scripting (XSS) vulnerability due to improper sanitization of SVG elements.
What software is impacted by CVE-2019-15587?
CVE-2019-15587 affects the Loofah gem for Ruby and related packages in Debian and Ubuntu distributions.
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