CVE-2021-22902
HIGH7.5EPSS 0.68%Denial of Service in Action Dispatch
發布日:2021/5/5修改日:2026/4/28
描述
The actionpack ruby gem (a framework for handling and responding to web requests in Rails) before 6.0.3.7, 6.1.3.2 suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch to do catastrophic backtracking in the regular expression engine.
受影響套件(2)
- Debian/railsfrom 0, < 2:6.0.3.7+dfsg-1
- RubyGems/actionpack>= 6.0.0, < 6.0.3.7
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
參考連結(8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-22902
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-22902
- WEBhttps://discuss.rubyonrails.org/t/cve-2021-22902-possible-denial-of-service-vulnerability-in-action-dispatch/77866
- WEBhttps://github.com/rails/rails/releases/tag/v6.0.3.7
- WEBhttps://github.com/rails/rails/releases/tag/v6.1.3.2
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22902.yml
- WEBhttps://groups.google.com/g/rubyonrails-security/c/_5ID_ld9u1c
- WEBhttps://hackerone.com/reports/1138654