Improper Input Validation Affecting rubygems-devel package, versions <0:2.0.14.1-38.el7_6
Threat Intelligence
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Start learning- Snyk IDSNYK-RHEL7-RUBYGEMSDEVEL-4908620
- published26 Jul 2021
- disclosed17 Oct 2018
Introduced: 17 Oct 2018
CVE-2018-16396 (opens in a new tab)How to fix?
Upgrade RHEL:7 rubygems-devel to version 0:2.0.14.1-38.el7_6 or higher.
This issue was patched in RHSA-2020:2839.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygems-devel package and not the rubygems-devel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.
References
- https://security.netapp.com/advisory/ntap-20190221-0002/
- https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/
- https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/
- https://access.redhat.com/security/cve/CVE-2018-16396
- https://www.debian.org/security/2018/dsa-4332
- https://hackerone.com/reports/385070
- https://lists.debian.org/debian-lts-announce/2018/10/msg00020.html
- http://www.securitytracker.com/id/1042106
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://usn.ubuntu.com/3808-1/