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

Low severity GitHub Reviewed Published May 5, 2022 to the GitHub Advisory Database • Updated Aug 16, 2023

Package

bundler ruby_parser (RubyGems)

Affected versions

>= 2.0.2, < 3.1.2

Patched versions

3.1.2

Description

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.

References

Published by the National Vulnerability Database Mar 1, 2013
Published to the GitHub Advisory Database May 5, 2022
Reviewed Mar 8, 2023
Last updated Aug 16, 2023

Severity

Low

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(5th percentile)

Weaknesses

CVE ID

CVE-2013-0162

GHSA ID

GHSA-8mvw-22r7-w6fq

Source code

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