Directory Traversal Affecting ruby package, versions <2.5.1-r0
Snyk CVSS
Attack Complexity
Low
Integrity
High
Threat Intelligence
EPSS
0.2% (57th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE39-RUBY-338656
- published 3 Apr 2018
- disclosed 3 Apr 2018
How to fix?
Upgrade Alpine:3.9
ruby
to version 2.5.1-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby
package and not the ruby
package as distributed by Alpine
.
See How to fix?
for Alpine:3.9
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
- 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/
- https://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://security-tracker.debian.org/tracker/CVE-2018-6914
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://access.redhat.com/errata/RHSA-2019:2028
- https://access.redhat.com/errata/RHSA-2018:3729
- https://access.redhat.com/errata/RHSA-2018:3730
- https://access.redhat.com/errata/RHSA-2018:3731
- http://www.securityfocus.com/bid/103686
- http://www.securitytracker.com/id/1042004
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-6914
- https://usn.ubuntu.com/3626-1/