CVE-2018-1000079
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…
- 5.5MediumCVSS base score
- 2.8%Exploitation in 30 daysEPSS · top 14% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By mitre
- 20 days later
· 20 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.8% · top 14% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.jruby:jruby-stdlibGHSA-8qxg-mff5-j3wc (opens in a new tab)
- RubyGemsrubygems-updateGHSA-8qxg-mff5-j3wc (opens in a new tab)
References
15
- DSA-4219 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3621-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:3729 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2018:3730 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3731 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4259 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759 (opens in a new tab)x_refsource_MISCx_transferred
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:1771 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:2028 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0542 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0591 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0663 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-3218 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-8qxg-mff5-j3wc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-1000079)Record last updated .