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Ruby on Rails におけるサービス運用妨害 (DoS) の脆弱性
Title Ruby on Rails におけるサービス運用妨害 (DoS) の脆弱性
Summary

Ruby on Rails の actionpack/lib/action_controller/metal/http_authentication.rb の decode_credentials メソッドは、Digest Authentication 文字列を記号に変換するため、サービス運用妨害 (DoS) 状態となる脆弱性が存在します。

Possible impacts 第三者により、with_http_digest ヘルパーメソッドを使用するアプリケーションへのアクセスを悪用されることで、サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Aug. 8, 2012, midnight
Registration Date Aug. 9, 2012, 4:57 p.m.
Last Update Feb. 10, 2016, 5:52 p.m.
CVSS2.0 : 警告
Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected System
Ruby on Rails project
Rails 3.0.16 未満の 3.x
Rails 3.1.7 未満の 3.1.x
Rails 3.2.7 未満の 3.2.x
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
0 [2012年08月09日]
  掲載
[2012年11月15日]
  ベンダ情報：openSUSE (openSUSE-SU-2012:1066) を追加
[2016年02月10日]
  ベンダ情報：レッドハット (RHSA-2013:0154) を追加		 Feb. 17, 2018, 10:37 a.m.
NVD Vulnerability Information
CVE-2012-3424
Summary

The decode_credentials method in actionpack/lib/action_controller/metal/http_authentication.rb in Ruby on Rails 3.x before 3.0.16, 3.1.x before 3.1.7, and 3.2.x before 3.2.7 converts Digest Authentication strings to symbols, which allows remote attackers to cause a denial of service by leveraging access to an application that uses a with_http_digest helper method, as demonstrated by the authenticate_or_request_with_http_digest method.

Publication Date Aug. 8, 2012, 7:26 p.m.
Registration Date Jan. 28, 2021, 3 p.m.
Last Update Nov. 21, 2024, 10:40 a.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:rubyonrails:ruby_on_rails:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.13:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.14:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.5:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.0.9:rc5:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:rubyonrails:rails:3.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc4:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc5:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc6:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc7:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.0:rc8:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.1:rc3:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.4:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.5:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.1.6:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:a:rubyonrails:rails:3.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.2:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.3:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.3:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:3.2.4:rc1:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List