CVE-2018-1000076
At a glance
- Severity
- Not available
- EPSS
- EPSS 2.93 % · percentile 87 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
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 Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | CRITICAL 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
Advisories
- GHSA-mc6j-h948-v2p6 — RubyGems Improper Verification of Cryptographic Signature vulnerability
European references
- ENISA EUVD · EUVD-2022-4540
- GCVE · GCVE-0-2018-1000076
CERT-FR advisories
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*≤ 2.2.9cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*≤ 2.3.6cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*≤ 2.4.3cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*≤ 2.5.0cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
References
- https://www.debian.org/security/2018/dsa-4219
- https://usn.ubuntu.com/3621-1/
- https://access.redhat.com/errata/RHSA-2018:3729
- https://access.redhat.com/errata/RHSA-2018:3730
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://access.redhat.com/errata/RHSA-2018:3731
- https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://www.debian.org/security/2018/dsa-4259
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html
- https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
- https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
- 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-2020:0542
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0663
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |