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WordPress の wp-includes/class-wp-atom-server.php におけるアクセス制限を回避される脆弱性
Title WordPress の wp-includes/class-wp-atom-server.php におけるアクセス制限を回避される脆弱性
Summary

WordPress の wp-includes/class-wp-atom-server.php 内の create_post 関数は、機能のチェックを適切に行わないため、アクセス制限を回避され、新しい投稿を公開される脆弱性が存在します。

Possible impacts リモート認証されたユーザにより、投稿者 (Contributor) ロールを利用し、Atom Publishing Protocol 機能を使用することで、アクセス制限を回避され、新しい投稿を公開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 Sept. 6, 2012, midnight
Registration Date Sept. 19, 2012, 11:24 a.m.
Last Update Sept. 19, 2012, 11:24 a.m.
CVSS2.0 : 警告
Score 4
Vector AV:N/AC:L/Au:S/C:N/I:P/A:N
Affected System
WordPress.org
WordPress 3.4.2 未満
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09月19日]
  掲載		 Feb. 17, 2018, 10:37 a.m.
NVD Vulnerability Information
CVE-2012-4421
Summary

The create_post function in wp-includes/class-wp-atom-server.php in WordPress before 3.4.2 does not perform a capability check, which allows remote authenticated users to bypass intended access restrictions and publish new posts by leveraging the Contributor role and using the Atom Publishing Protocol (aka AtomPub) feature.

Publication Date Sept. 15, 2012, 4:55 a.m.
Registration Date Jan. 28, 2021, 3:03 p.m.
Last Update Nov. 21, 2024, 10:42 a.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.5.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.11:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 3.4.1
cpe:2.3:a:wordpress:wordpress:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.5:a:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.6.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.4:a:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.6.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.7:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.9:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.5.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.9.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.10:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.9.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:1.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.8.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:2.3:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List