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Fencer Intel
low 2.1

CVE-2013-0162 json

ruby_parser allows local users to overwrite arbitrary files via symlink attack on temporary file with predictable name

published 13y ago modified 4mo ago also GHSA-8mvw-22r7-w6fq , EUVD-2022-3204

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

The diff_pp function in lib/gauntlet_rubyparser.rb in the ruby_parser gem 3.1.1 and earlier for Ruby allows local users to overwrite arbitrary files via a symlink attack on a temporary file with a predictable name in /tmp.

Patch / fix

  • rubygems ruby_parser 3.1.2
  • php openshift 1 5.3.3-22.el6
  • graphviz openshift 1 2.26.0-10.el6
  • php-imap openshift 1 5.3.3-22.el6
  • php-bcmath openshift 1 5.3.3-22.el6
  • graphviz-gd openshift 1 2.26.0-10.el6
  • php-process openshift 1 5.3.3-22.el6
  • php-mbstring openshift 1 5.3.3-22.el6
  • ruby193-ruby openshift 1 1.9.3.327-25.el6

red hat advisories RHSA-2013:0582

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-0162 updated cvss 2.1

rubygem-ruby_parser: incorrect temporary file usage

  • Red Hat Satellite 6 ruby193-rubygem-ruby_parser
    affected: no fix available
  • Red Hat CloudForms Cloud Engine for RHEL 6 Server rubygem-rdoc 3.8-6.el6cf, rubygem-rack 1.3.0-3.el6cf, rubygem-shoulda 2.11.3-5.el6cf, rubygem-delayed_job 2.1.4-3.el6cf, rubygem-rspec-rails 2.6.1-7.el6cf, rubygem-ruby_parser 2.0.4-6.el6cf, +4 more Red Hat CloudForms System Engine for RHEL 6 Server rubygem-rdoc 3.8-6.el6cf, rubygem-rack 1.3.0-3.el6cf, rubygem-delayed_job 2.1.4-3.el6cf, rubygem-ruby_parser 2.0.4-6.el6cf, rubygem-rails_warden 0.5.5-2.el6cf, ruby-nokogiri 1.5.0-0.9.beta4.el6cf, +2 more
    fixed: vendor fix RHSA-2013:0548
  • Red Hat OpenShift Enterprise Infrastructure graphviz 2.26.0-10.el6, graphviz-gd 2.26.0-10.el6, rubygem-bson 1.8.1-2.el6op, graphviz-ruby 2.26.0-10.el6, rubygem-mongo 1.8.1-2.el6op, ruby193-ruby 1.9.3.327-25.el6, +25 more Red Hat OpenShift Enterprise JBoss EAP add-on openshift-origin-cartridge-jbosseap-6.0 1.0.4-1.el6op Red Hat OpenShift Enterprise Node php 5.3.3-22.el6, php-imap 5.3.3-22.el6, php-bcmath 5.3.3-22.el6, php-process 5.3.3-22.el6, php-mbstring 5.3.3-22.el6, rubygem-bson 1.8.1-2.el6op, +32 more
    fixed: vendor fix RHSA-2013:0582
  • Red Hat Subscription Asset Manager for RHEL 6 Server quartz 2.1.5-4.el6_3, puppet 2.6.17-2.el6cf, katello 1.2.1-15h.el6_3, lucene3 3.6.1-10h.el6_3, candlepin 0.7.23-1.el6_3, thumbslug 0.0.28-1.el6_3, +27 more
    fixed: vendor fix RHSA-2013:0544

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
rubygems ruby_parser
>=2.0.2, <3.1.2
3.1.2

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-377 DEPRECATED: Insecure Temporary File

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.