NVD Vulnerability Detail

CVE-2017-6819

Summary	In WordPress before 4.7.3, there is cross-site request forgery (CSRF) in Press This (wp-admin/includes/class-wp-press-this.php), leading to excessive use of server resources. The CSRF can trigger an outbound HTTP request for a large file that is then parsed by Press This.
Publication Date	March 12, 2017, 10:59 a.m.
Registration Date	Jan. 26, 2021, 1:27 p.m.
Last Update	Nov. 21, 2024, 12:30 p.m.

CVSS3.0 : MEDIUM
スコア	6.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	中
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	はい

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:wordpress:wordpress::::::::			4.7.2

Related information, measures and tools

No	URL	タグ
1	http://openwall.com/lists/oss-security/2017/03/06/7	Exploit Mailing List Third Party Advisory
2	http://openwall.com/lists/oss-security/2017/03/06/7	Exploit Mailing List Third Party Advisory
3	http://www.securityfocus.com/bid/96602	Third Party Advisory VDB Entry
4	http://www.securityfocus.com/bid/96602	Third Party Advisory VDB Entry
5	http://www.securitytracker.com/id/1037959	Third Party Advisory VDB Entry
6	http://www.securitytracker.com/id/1037959	Third Party Advisory VDB Entry
7	https://codex.wordpress.org/Version_4.7.3	Patch Vendor Advisory
8	https://codex.wordpress.org/Version_4.7.3	Patch Vendor Advisory
9	https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829	Issue Tracking Patch Third Party Advisory
10	https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829	Issue Tracking Patch Third Party Advisory
11	https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html	Exploit Third Party Advisory
12	https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html	Exploit Third Party Advisory
13	https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/	Patch Release Notes Vendor Advisory
14	https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/	Patch Release Notes Vendor Advisory
15	https://wpvulndb.com/vulnerabilities/8770	Patch Third Party Advisory
16	https://wpvulndb.com/vulnerabilities/8770	Patch Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-352	クロスサイト・リクエスト・フォージェリ（CSRF）	https://cwe.mitre.org/data/definitions/352.html
2	CWE-352	同一生成元ポリシー違反	https://cwe.mitre.org/data/definitions/346.html

JVN Vulnerability Information

WordPress の Press This におけるクロスサイトリクエストフォージェリの脆弱性

Title	WordPress の Press This におけるクロスサイトリクエストフォージェリの脆弱性
Summary	WordPress の Press This (wp-admin/includes/class-wp-press-this.php) には、クロスサイトリクエストフォージェリの脆弱性が存在します。
Possible impacts	サーバリソースが過剰に使用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	March 6, 2017, midnight
Registration Date	March 14, 2017, 11:55 a.m.
Last Update	March 14, 2017, 11:55 a.m.

Affected System

WordPress.org

WordPress 4.7.3 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2017-6819	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6819
National Vulnerability Database (NVD)
2	CVE-2017-6819	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6819

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-352	https://jvndb.jvn.jp/ja/cwe/CWE-352.html

ベンダー情報

No	Name	URL
GitHub
1	Press This: Verify intent before fetching in-page resources using Press This.	https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829
WordPress Blog
2	WordPress 4.7.3 Security and Maintenance Release	https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
WordPress Codex
3	Version 4.7.3	https://codex.wordpress.org/Version_4.7.3

Change Log

No	Changed Details	Date of change
0	[2017年03月14日] 掲載	Feb. 17, 2018, 10:37 a.m.