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CVE-2018-1000074

25
FAUCET Score

CVE-2018-1000074 is a high-severity deserialization of untrusted data vulnerability affecting RubyGems versions 2.2.9 and earlier, 2.3.6 and earlier, 2.4.3 and earlier, and 2.5.0 and earlier. An attacker can achieve code execution if a victim runs the 'gem owner' command on a specially crafted YAML file. The CVSS score is 7.8 (High), indicating a local attack vector with low complexity, requiring user interaction, and leading to high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability has been patched in RubyGems 2.7.6.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.9CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
<= 2.3.6CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
<= 2.4.3CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
<= 2.5.0CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 86th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.jruby:jruby-stdlibFixed in: 9.1.16.0
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: ruby-0:2.0.0.648-35.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Telco Extended Update SupportFixed in: ruby-0:2.0.0.648-35.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsFixed in: ruby-0:2.0.0.648-35.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.5 Extended Update SupportFixed in: ruby-0:2.0.0.648-35.el7_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.6 Extended Update SupportFixed in: ruby-0:2.0.0.648-36.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby23-ruby-0:2.3.8-69.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby24-ruby-0:2.4.5-91.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby23-ruby-0:2.3.8-69.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby24-ruby-0:2.4.5-91.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby25-ruby-0:2.5.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby23-ruby-0:2.3.8-69.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby24-ruby-0:2.4.5-91.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby25-ruby-0:2.5.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby23-ruby-0:2.3.8-69.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby24-ruby-0:2.4.5-91.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-ruby25-ruby-0:2.5.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby23-ruby-0:2.3.8-69.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby25-ruby-0:2.5.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-ruby24-ruby-0:2.4.5-91.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ruby-0:2.0.0.648-36.el7
View patch
rubygemspatch availablevia ghsa
Product: rubygems-updateFixed in: 2.7.6
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: rubygems
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: rubygems
redhatend of lifevia redhat_api
Product: Red Hat Satellite 6Fixed in: rubygems
redhatend of lifevia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: ruby193-rubygems

Vendor Advisories (2)

rubygemsGHSA-qj2w-mw2r-pv39high

RubyGems Deserialization of Untrusted Data vulnerability

May 14, 2022
redhatCVE-2018-1000074Moderate

rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML

Feb 15, 2018

References

blog.rubygems.org / 2018/02/15/2.7.6-released.html
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2019-07/msg00036.html
access.redhat.com / errata/RHSA-2018:3729
access.redhat.com / errata/RHSA-2018:3730
access.redhat.com / errata/RHSA-2018:3731
access.redhat.com / errata/RHSA-2019:2028
access.redhat.com / errata/RHSA-2020:0542
access.redhat.com / errata/RHSA-2020:0591
access.redhat.com / errata/RHSA-2020:0663
github.com / rubygems/rubygems/commit/254e3d0ee873c008c0b74e8b8abcbdab4caa0a6d
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/04/msg00017.html
lists.debian.org / debian-lts-announce/2018/08/msg00028.html
lists.debian.org / debian-lts-announce/2019/05/msg00028.html
usn.ubuntu.com / 3621-1
usn.ubuntu.com / 3621-2
usn.ubuntu.com / 3685-1
debian.org / security/2018/dsa-4219
debian.org / security/2018/dsa-4259