GitHub Advisoryadvisory · RubyGems
GHSA-46f2-3v63-3xrp Tempfile on Windows path traversal vulnerability
HIGH
Official page ↗
- Aliases
- CVE-2021-28966
- Ecosystem
- RubyGems
- Packages
- tmpdir
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-22
- Reviewed
- 2021-05-06
Affected packages
• RubyGems tmpdir: < 0.1.2 → fixed in 0.1.2
Description
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.
Related
Alias · CVE (1)
- CVE-2021-28966 In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir. vulnerability
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-28966 advisory
- https://github.com/ruby/tmpdir/pull/8 web
- https://github.com/ruby/tmpdir/commit/93798c01cb7c10476e50a4d80130a329ba47f348 web
- https://hackerone.com/reports/1131465 web
- https://github.com/ruby/tmpdir package
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/tmpdir/CVE-2021-28966.yml web
- https://rubygems.org/gems/tmpdir web
- https://security.netapp.com/advisory/ntap-20210902-0004 web
- https://www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966 web