Directory Traversal Affecting ruby2.5-devel package, versions <2.5.5-4.3.1
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-SLES151-RUBY25DEVEL-2744404
- published14 Apr 2022
- disclosed10 Jul 2019
Introduced: 10 Jul 2019
CVE-2018-8780 (opens in a new tab)How to fix?
Upgrade SLES:15.1 ruby2.5-devel to version 2.5.5-4.3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby2.5-devel package and not the ruby2.5-devel package as distributed by SLES.
See How to fix? for SLES:15.1 relevant fixed versions and status.
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, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.
References
- https://www.suse.com/security/cve/CVE-2018-8780.html
- https://bugzilla.suse.com/1087437
- https://bugzilla.suse.com/1136906
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securityfocus.com/bid/103739
- http://www.securitytracker.com/id/1042004
- 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
- https://access.redhat.com/errata/RHSA-2020:0542
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0663
- 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://usn.ubuntu.com/3626-1/
- https://www.debian.org/security/2018/dsa-4259
- https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-dir-cve-2018-8780/
- 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/