high7.5
CVE-2021-28966
Tempfile on Windows path traversal vulnerability
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | tmpdir | < 0.1.2 | 0.1.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ruby-Lang | Ruby | before 2.7.3 from 3.0.0 before 3.0.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://hackerone.com/reports/1131465
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://github.com/advisories/GHSA-46f2-3v63-3xrp
- https://nvd.nist.gov/vuln/detail/CVE-2021-28966
- https://github.com/ruby/tmpdir/pull/8
- https://github.com/ruby/tmpdir/commit/93798c01cb7c10476e50a4d80130a329ba47f348
- 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/