CVE-2012-2126

medium
Published 2012-04-20 · Modified 2024-12-02
CVSS v3
CVSS v2
4.3
VIR risk
4.3

Description

RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-2126

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://github.com/rubygems/rubygems/blob/1.8/History.txt

OS impact

OSVersionStatusFixed in
ubuntu ubuntu12.04not-affected
debian debianbookwormfixed1.8.24-1
debian debianbullseyefixed1.8.24-1
debian debianforkyfixed1.8.24-1
debian debiansidfixed1.8.24-1
debian debiantrixiefixed1.8.24-1

Package impact

EcosystemPackageVulnerableFixed
ruby RubyGemsrubygems-update<>= 1.8.23>= 1.8.23
ruby RubyGemsrubygems-update<1.8.231.8.23

Application impact

VendorProductVersionsFixed
rubygemsrubygems{"endIncluding":"1.8.22"}
rubygemsrubygems1.8.0
rubygemsrubygems1.8.1
rubygemsrubygems1.8.2
rubygemsrubygems1.8.3
rubygemsrubygems1.8.4
rubygemsrubygems1.8.5
rubygemsrubygems1.8.6
rubygemsrubygems1.8.7
rubygemsrubygems1.8.8
rubygemsrubygems1.8.9
rubygemsrubygems1.8.10
rubygemsrubygems1.8.11
rubygemsrubygems1.8.12
rubygemsrubygems1.8.13
rubygemsrubygems1.8.14
rubygemsrubygems1.8.15
rubygemsrubygems1.8.16
rubygemsrubygems1.8.17
rubygemsrubygems1.8.18
rubygemsrubygems1.8.19
rubygemsrubygems1.8.20
rubygemsrubygems1.8.21
redhat redhatopenshift1.2.2

References

CWEs

CWE-310

Verify integrity in audit chain (admin only). AS-IS.