Directory Traversal Affecting ruby2.3 package, versions <2.3.1-2~16.04.7
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-UBUNTU1604-RUBY23-308573
- published13 Mar 2018
- disclosed13 Mar 2018
Introduced: 13 Mar 2018
CVE-2018-1000079 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 ruby2.3 to version 2.3.1-2~16.04.7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby2.3 package and not the ruby2.3 package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-1000079
- https://www.debian.org/security/2018/dsa-4219
- https://www.debian.org/security/2018/dsa-4259
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2018-1000079
- https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
- https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html
- 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://access.redhat.com/errata/RHSA-2018:3729
- https://access.redhat.com/errata/RHSA-2018:3730
- https://access.redhat.com/errata/RHSA-2018:3731
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://usn.ubuntu.com/3621-1/