HIGH7.5

GHSA-3h4r-pjv6-cph9

RubyGems Escape sequence injection vulnerability in api response handling

Quick fix

GHSA-3h4r-pjv6-cph9 — rubygems-update: upgrade to the fixed version with the command below.

bundle update rubygems-update

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

RubyGems/rubygems-update

Introduced in: 2.6.0Fixed in: 2.7.9

Fixbundle update rubygems-update

RubyGems/rubygems-update

Introduced in: 3.0.0Fixed in: 3.0.2

Fixbundle update rubygems-update

References

https://nvd.nist.gov/vuln/detail/CVE-2019-8323[ADVISORY]
https://hackerone.com/reports/315081[WEB]
https://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html[WEB]
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2019-8323.yml[WEB]
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html[WEB]
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html[WEB]