CVE-2018-6914

Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 03 Apr 2018, 22:00
Last modified:05 Aug 2024, 06:17

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
2.37% LOW
2% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Apr 2018, 22:00
Published
Vulnerability first disclosed
05 Aug 2024, 06:17
Last Modified
Vulnerability information updated

Description

Directory traversal vulnerability in the Dir.mktmpdir method in the tmpdir library 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 might allow attackers to create arbitrary directories or files via a .. (dot dot) in the prefix argument.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/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: 2.37%• Percentile: 85%

Techniques & Countermeasures

  • CWE-22•Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

    The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 17.10

  • debian•debian_linux

    7.0 | 8.0 | 9.0

  • redhat•enterprise_linux

    6.0 | 7.0 | 7.4 | 7.5 | 7.6

  • ruby-lang•ruby

    ≥ 2.2.0, < 2.2.10 | ≥ 2.3.0, < 2.3.7 | ≥ 2.4.0, < 2.4.4 | ≥ 2.5.0, < 2.5.1 | 2.6.0:preview1

References (17)