Vulnerability · Published Dec 5, 2022 · Assigned by hackerone
CVE-2022-30123
Critical 10.0
In plain English
A critical-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 2.0% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)10.0Critical
Exploit odds (30 days)2.0%top 19.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint and CommonLogger components of Rack.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ruby-rack | 2.2.4-1 | DEBIAN-CVE-2022-30123 |
| Debian:13 | ruby-rack | 2.2.4-1 | DEBIAN-CVE-2022-30123 |
| Debian:14 | ruby-rack | 2.2.4-1 | DEBIAN-CVE-2022-30123 |
| RubyGems | rack | 2.0.9.1 | GHSA-wq4h-7r42-5hrr |
| RubyGems | rack | 2.1.4.1 | GHSA-wq4h-7r42-5hrr |
| RubyGems | rack | 2.2.3.1 | GHSA-wq4h-7r42-5hrr |
| Ubuntu:22.04:LTS | ruby-rack | 2.1.4-5ubuntu1.1 | UBUNTU-CVE-2022-30123 |
| Ubuntu:22.04:LTS | ruby-rack | 2.1.4-5ubuntu1.1 | USN-7036-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/rack/rack | 2.0.9.1, 2.1.4.1, 2.2.3.1 |
Weakness: CWE-150