CVE-2021-28966 — Path Traversal in Ruby

CWE-22 — Path Traversal6 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 42.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Ruby-lang Ruby
Timeline
PublishedJul 30

Description

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDruby-lang/ruby3.0.0 — 3.0.1+1
▶Alpineruby-lang/ruby< 2.5.9-r0+13

Patches

Patch: hackerone.com ↗Patch: hackerone.com ↗

🔴Vulnerability Details

4
OSV
CVE-2021-28966: In Ruby through 3↗2021-07-30
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CVEList
CVE-2021-28966: In Ruby through 3↗2021-07-27
▶
GHSA
Tempfile on Windows path traversal vulnerability↗2021-05-06
▶
OSV
Tempfile on Windows path traversal vulnerability↗2021-05-06
▶

📋Vendor Advisories

1
Debian
CVE-2021-28966: ruby2.7 - In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when...↗2021
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CVE-2021-28966 — Path Traversal in Ruby-lang Ruby | cvebase