Arbitrary Code Injection Affecting rubygems-update package, versions >=2.6.0, <2.7.9 >=3.0.0, <3.0.3


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.23% (62nd percentile)

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  • Snyk ID SNYK-RUBY-RUBYGEMSUPDATE-598864
  • published 19 Aug 2020
  • disclosed 20 Jun 2019
  • credit Unknown

How to fix?

Upgrade rubygems-update to version 2.7.9, 3.0.3 or higher.

Overview

rubygems-update is an inbuilt rubygem for updating rubygems.

Affected versions of this package are vulnerable to Arbitrary Code Injection. 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.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
Expand this section

NVD

7.5 high