CVE-2013-0334

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-31 · updated 2026-06-16
Weakness: CWE-20

Description

Bundler before 1.7, when multiple top-level source lines are used, allows remote attackers to install arbitrary gems by creating a gem with the same name as another gem in a different source.

Affected products

rubygem-bundler: before 1.7.0 — fixed in 1.7.0
Fedoraproject Fedora: 19, 20, 21
Opensuse: 13.1, 13.2

How to fix

Upgrade to a fixed version: rubygem-bundler 1.7.0. Check the vendor advisory for mitigations.

References

http://bundler.io/blog/2014/08/14/bundler-may-install-gems-from-a-different-source-than-expected-cve-2013-0334.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140609.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140654.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140655.html
http://lists.opensuse.org/opensuse-updates/2015-03/msg00092.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/70099
https://security.gentoo.org/glsa/201609-02
http://bundler.io/blog/2014/08/14/bundler-may-install-gems-from-a-different-source-than-expected-cve-2013-0334.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140609.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140654.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140655.html

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