CVE-2018-1000073

Aliases:GHSA-gx69-6cp4-hxrj
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 13 Mar 2018, 15:00
Last modified:05 Aug 2024, 12:33

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
1.06% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Mar 2018, 15:00
Published
Vulnerability first disclosed
05 Aug 2024, 12:33
Last Modified
Vulnerability information updated

Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.

CVSS Metrics

  • v3.0HIGHScore: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • v2.0MEDIUMScore: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 1.06% Percentile: 78%

Techniques & Countermeasures

  • CWE-59Improper Link Resolution Before File Access ('Link Following')

    The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Systems

  • RubyGemsrubygems-update

    < 2.7.6

  • org.jrubyjruby-stdlib

    < 9.1.16.0

  • rubygemsrubygems

    ≤ 2.2.9 | ≤ 2.3.6 | ≤ 2.4.3 | ≤ 2.5.0

References (20)