Description
The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | ruby1.9.1 | 1.9.2.0-2+deb6u4 | DLA-235-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | ruby +8 | 1.8.5-27.el5 | RHSA-2013:0129 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 1 | graphviz +4 | 2.26.0-10.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-console | 0.0.16-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-broker +1 | 1.0.11-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-broker-util | 1.0.15-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-diy-0.1 +3 | 1.0.3-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-haproxy-1.4 +1 | 1.0.4-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-jbossews-1.0 | 1.0.13-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-jenkins-1.4 +1 | 1.0.2-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-php-5.3 +2 | 1.0.5-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-postgresql-8.4 | 1.0.3-2.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-ruby-1.8 | 1.0.7-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | openshift-origin-cartridge-ruby-1.9-scl | 1.0.8-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | php +5 | 5.3.3-22.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-ruby +5 | 1.9.3.327-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-actionpack +3 | 1:3.2.8-3.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-bigdecimal | 1.1.0-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-io-console | 0.3-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-json | 1.5.4-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-minitest | 2.5.1-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-railties +3 | 3.2.8-2.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-rake | 0.9.2.2-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-rdoc | 3.9.4-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygem-ruby_parser +1 | 2.3.1-3.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | ruby193-rubygems +1 | 1.8.23-25.el6 | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-actionpack | 1:3.0.13-4.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-activemodel +1 | 3.0.13-3.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-activerecord | 1:3.0.13-5.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-bson +2 | 1.8.1-2.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-openshift-origin-console +1 | 1.0.10-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-openshift-origin-controller | 1.0.12-1.el6op | RHSA-2013:0582 |
| Red Hat OpenShift 1 | rubygem-ruby_parser +1 | 2.0.4-6.el6op | RHSA-2013:0582 |
Advisories 4
- RHSA-2013:0582 Red Hat Security Advisory: Red Hat OpenShift Enterprise 1.1.1 update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:0129 Red Hat Security Advisory: ruby security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DLA-235-1 ruby1.9.1 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2025-0865 Ruby: Schwachstelle ermöglicht Manipulation von Dateien BSI CERT-Bund (WID) · Apr 24, 2025
References
- FEDORA-2012-16071 vendor-advisory
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
- FEDORA-2012-16086 vendor-advisory
- [oss-security] 20121013 Re: CVE request: ruby file creation due in insertion of illegal NUL character mailing-list
- RHSA-2013:0129 vendor-advisory
- [oss-security] 20121016 Re: CVE request: ruby file creation due in insertion of illegal NUL character mailing-list
- [oss-security] 20121012 CVE request: ruby file creation due in insertion of illegal NUL character mailing-list
- http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/