Vulnerability · Published Jul 2, 2020 · Assigned by hackerone
CVE-2020-8161
High 8.6
In plain English
A high-severity security flaw in https://github.com/rack/rack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.6High
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ruby-rack | 2.1.1-5 | DEBIAN-CVE-2020-8161 |
| Debian:13 | ruby-rack | 2.1.1-5 | DEBIAN-CVE-2020-8161 |
| Debian:14 | ruby-rack | 2.1.1-5 | DEBIAN-CVE-2020-8161 |
| RubyGems | rack | 2.1.3 | GHSA-5f9h-9pjv-v6j7 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/rack/rack | Fixed in 2.1.3, >= 2.2.0 |
Weakness: CWE-548
References
- https://hackerone.com/reports/434404
- https://groups.google.com/g/rubyonrails-security/c/IOO1vNZTzPA
- [debian-lts-announce] 20200710 [SECURITY] [DLA 2275-1] ruby-rack security update mailing-list
- USN-4561-1 vendor-advisory
- [debian-lts-announce] 20230130 [SECURITY] [DLA 3298-1] ruby-rack security update mailing-list