CVE-2019-8323

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.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
• v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.33%• Percentile: 56%

Techniques & Countermeasures

• CWE-74•Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

  The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Affected Systems

• debian•debian_linux

  9.0

• opensuse•leap

  15.0 | 15.1

• rubygems•rubygems

  ≥ 2.6.0, ≤ 3.0.2

References (3)

• https://hackerone.com/reports/315081
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
• https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html