RubySec

Providing security resources for the Ruby community

CVE-2019-8323 (rubygems-update): Escape sequence injection vulnerability in api response handling

ADVISORIES

GEM

rubygems-update

UNAFFECTED VERSIONS

  • < 2.6

PATCHED VERSIONS

  • >= 3.0.3
  • ~> 2.7.9

DESCRIPTION

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.