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Directory Traversal Affecting ruby-irb package, versions <0:2.0.0.648-36.amzn2.0.1

Severity

 Recommended
0.0
medium
0
10

    Threat Intelligence

    EPSS
    0.21% (60th percentile)

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  • Snyk ID SNYK-AMZN2-RUBYIRB-1673697
  • published 27 Sep 2021
  • disclosed 3 Apr 2018
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Introduced: 3 Apr 2018

CVE-2018-8780 Open this link in a new tab
CWE-22 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 ruby-irb to version 0:2.0.0.648-36.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1276.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby-irb package and not the ruby-irb package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.

References

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.1 critical
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SUSE

3.7 low
Expand this section

Red Hat

6.5 medium