Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.2461
Debian LTS: rails security update
21 July 2020
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AusCERT Security Bulletin Summary
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Product: rails
Publisher: Debian
Operating System: Debian GNU/Linux 9
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8165 CVE-2020-8164 CVE-2020-8163
Reference: ESB-2020.2154
ESB-2020.1757
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2282
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Debian LTS Advisory DLA-2282-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/
July 20, 2020 https://wiki.debian.org/LTS
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Package : rails
Version : 2:4.2.7.1-1+deb9u3
CVE ID : CVE-2020-8163 CVE-2020-8164 CVE-2020-8165
Multiple vulnerabilities were found in Ruby on Rails, a MVC ruby-based
framework geared for web application development, which could lead to
remote code execution and untrusted user input usage, depending on the
application.
CVE-2020-8163
A code injection vulnerability in Rails would allow an attacker
who controlled the `locals` argument of a `render` call to perform
a RCE.
CVE-2020-8164
A deserialization of untrusted data vulnerability exists in rails
which can allow an attacker to supply information can be
inadvertently leaked from Strong Parameters.
CVE-2020-8165
A deserialization of untrusted data vulnernerability exists in
rails that can allow an attacker to unmarshal user-provided objects
in MemCacheStore and RedisCacheStore potentially resulting in an
RCE.
For Debian 9 stretch, these problems have been fixed in version
2:4.2.7.1-1+deb9u3.
We recommend that you upgrade your rails packages.
For the detailed security status of rails please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/rails
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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