Directory Traversal Affecting rubygems package, versions <0:2.0.14.1-36.amzn2.0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2-RUBYGEMS-1673670
- published27 Sept 2021
- disclosed3 Apr 2018
Introduced: 3 Apr 2018
CVE-2018-6914 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 rubygems to version 0:2.0.14.1-36.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1276.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygems package and not the rubygems package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
Directory traversal vulnerability in the Dir.mktmpdir method in the tmpdir library in Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 might allow attackers to create arbitrary directories or files via a .. (dot dot) in the prefix argument.
References
- http://www.securityfocus.com/bid/103686
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
- https://www.ruby-lang.org/en/news/2018/03/28/unintentional-file-and-directory-creation-with-directory-traversal-cve-2018-6914/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6914
- https://www.debian.org/security/2018/dsa-4259
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://access.redhat.com/errata/RHSA-2018:3729
- https://access.redhat.com/errata/RHSA-2018:3730
- https://access.redhat.com/errata/RHSA-2018:3731
- https://access.redhat.com/errata/RHSA-2019:2028
- http://www.securitytracker.com/id/1042004
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://usn.ubuntu.com/3626-1/