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AUSCERT External Security Bulletin Redistribution
rails security update
1 April 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Read-only Data Access -- Remote/Unauthenticated
CVE Names: CVE-2019-5419 CVE-2019-5418
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running rails check for an updated version of the software for their
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Package : rails
Version : 2:4.1.8-1+deb8u5
CVE ID : CVE-2019-5418 CVE-2019-5419
Debian Bug : 924520
John Hawthorn of Github discovered a file content disclosure
vulnerability in Rails, a ruby based web application framework.
Specially crafted accept headers in combination with calls to `render
file:` can cause arbitrary files on the target server to be rendered,
disclosing the file contents.
This vulnerability could also be exploited for a denial-of-service
For Debian 8 "Jessie", these problems have been fixed in version
We recommend that you upgrade your rails packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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