---
gem: rubygems-update
library: rubygems
cve: 2017-0901
url: http://blog.rubygems.org/2017/08/27/2.6.13-released.html
title: RubyGems vulnerability in the gem installer that allowed a malicious gem to overwrite arbitrary files
date: 2017-08-29
description: |
  RubyGems version 2.6.12 and earlier fails to validate specification names,
  allowing a maliciously crafted gem to potentially overwrite any file on the
  filesystem.
cvss_v2: 6.4
patched_versions:
  - ">= 2.4.5.3"
  - ">= 2.5.2.1"
  - ">= 2.6.13"