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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTQ2ZjItM3Y2My0zeHJw

Tempfile on Windows path traversal vulnerability

There is an unintentional directory creation vulnerability in tmpdir library bundled with Ruby on Windows. And there is also an unintentional file creation vulnerability in tempfile library bundled with Ruby on Windows, because it uses tmpdir internally.

Permalink: https://github.com/advisories/GHSA-46f2-3v63-3xrp
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTQ2ZjItM3Y2My0zeHJw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 3 years ago
Updated: over 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Identifiers: GHSA-46f2-3v63-3xrp, CVE-2021-28966
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-28966
• https://github.com/ruby/tmpdir/pull/8
• https://github.com/ruby/tmpdir/commit/93798c01cb7c10476e50a4d80130a329ba47f348
• https://hackerone.com/reports/1131465
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/tmpdir/CVE-2021-28966.yml
• https://rubygems.org/gems/tmpdir
• https://www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966/
• https://security.netapp.com/advisory/ntap-20210902-0004/
• https://github.com/advisories/GHSA-46f2-3v63-3xrp

Repository: https://github.com/ruby/tmpdir
Blast Radius: 9.0

Affected Packages