NVD Vulnerability Detail

CVE-2018-20334

Summary	An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.
Publication Date	March 20, 2020, 10:15 a.m.
Registration Date	March 1, 2021, 7:16 p.m.
Last Update	Nov. 21, 2024, 1:01 p.m.

CVSS3.1 : CRITICAL
スコア	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	10.0
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:asus:asuswrt:3.0.0.4.384.20308:::::::*
execution environment
1	cpe:2.3:h:asus:gt-ac2900:-:::::::*
2	cpe:2.3:h:asus:gt-ac5300:-:::::::*
3	cpe:2.3:h:asus:gt-ax11000:-:::::::*
4	cpe:2.3:h:asus:rt-ac1200:-:::::::*
5	cpe:2.3:h:asus:rt-ac1200_v2:-:::::::*
6	cpe:2.3:h:asus:rt-ac1200g:-:::::::*
7	cpe:2.3:h:asus:rt-ac1200ge:-:::::::*
8	cpe:2.3:h:asus:rt-ac1750:-:::::::*
9	cpe:2.3:h:asus:rt-ac1750_b1:-:::::::*
10	cpe:2.3:h:asus:rt-ac1900p:-:::::::*
11	cpe:2.3:h:asus:rt-ac3100:-:::::::*
12	cpe:2.3:h:asus:rt-ac3200:-:::::::*
13	cpe:2.3:h:asus:rt-ac51u:-:::::::*
14	cpe:2.3:h:asus:rt-ac5300:-:::::::*
15	cpe:2.3:h:asus:rt-ac55u:-:::::::*
16	cpe:2.3:h:asus:rt-ac56r:-:::::::*
17	cpe:2.3:h:asus:rt-ac56s:-:::::::*
18	cpe:2.3:h:asus:rt-ac56u:-:::::::*
19	cpe:2.3:h:asus:rt-ac66r:-:::::::*
20	cpe:2.3:h:asus:rt-ac66u:-:::::::*
21	cpe:2.3:h:asus:rt-ac66u-b1:-:::::::*
22	cpe:2.3:h:asus:rt-ac66u_b1:-:::::::*
23	cpe:2.3:h:asus:rt-ac68p:-:::::::*
24	cpe:2.3:h:asus:rt-ac68u:-:::::::*
25	cpe:2.3:h:asus:rt-ac86u:-:::::::*
26	cpe:2.3:h:asus:rt-ac87u:-:::::::*
27	cpe:2.3:h:asus:rt-ac88u:-:::::::*
28	cpe:2.3:h:asus:rt-acrh12:-:::::::*
29	cpe:2.3:h:asus:rt-acrh13:-:::::::*
30	cpe:2.3:h:asus:rt-ax3000:-:::::::*
31	cpe:2.3:h:asus:rt-ax56u:-:::::::*
32	cpe:2.3:h:asus:rt-ax58u:-:::::::*
33	cpe:2.3:h:asus:rt-ax88u:-:::::::*
34	cpe:2.3:h:asus:rt-ax92u:-:::::::*
35	cpe:2.3:h:asus:rt-g32:-:::::::*
36	cpe:2.3:h:asus:rt-n10\+d1:-:::::::*
37	cpe:2.3:h:asus:rt-n10e:-:::::::*
38	cpe:2.3:h:asus:rt-n14u:-:::::::*
39	cpe:2.3:h:asus:rt-n16:-:::::::*
40	cpe:2.3:h:asus:rt-n19:-:::::::*
41	cpe:2.3:h:asus:rt-n56r:-:::::::*
42	cpe:2.3:h:asus:rt-n56u:-:::::::*
43	cpe:2.3:h:asus:rt-n600:-:::::::*
44	cpe:2.3:h:asus:rt-n65u:-:::::::*
45	cpe:2.3:h:asus:rt-n66r:-:::::::*
46	cpe:2.3:h:asus:rt-n66u:-:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	https://starlabs.sg/advisories/18-20334/		Exploit Third Party Advisory
2	https://starlabs.sg/advisories/18-20334/		Exploit Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-78	OSコマンド・インジェクション	https://cwe.mitre.org/data/definitions/78.html

JVN Vulnerability Information

ASUSWRT における OS コマンドインジェクションの脆弱性

Title	ASUSWRT における OS コマンドインジェクションの脆弱性
Summary	ASUSWRT には、OS コマンドインジェクションの脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	Dec. 21, 2018, midnight
Registration Date	April 3, 2020, 6:07 p.m.
Last Update	April 3, 2020, 6:07 p.m.

Affected System

ASUSTeK Computer Inc.

ASUSWRT 3.0.0.4.384.20308

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-2018-20334	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20334
National Vulnerability Database (NVD)
2	CVE-2018-20334	https://nvd.nist.gov/vuln/detail/CVE-2018-20334

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-78	https://jvndb.jvn.jp/ja/cwe/CWE-78.html

ベンダー情報

No	Name	URL
ASUS
1	Top Page	https://www.asus.com/us/

その他

No	Name	URL
関連文書
1	ASUSWRT Command Injection in start_apply.htm	https://starlabs.sg/advisories/18-20334/

Change Log

No	Changed Details	Date of change
1	[2020年04月03日] 掲載	April 3, 2020, 6:07 p.m.

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:asus:asuswrt:3.0.0.4.384.20308:::::::*
execution environment
1	cpe:2.3:h:asus:gt-ac2900:-:::::::*
2	cpe:2.3:h:asus:gt-ac5300:-:::::::*
3	cpe:2.3:h:asus:gt-ax11000:-:::::::*
4	cpe:2.3:h:asus:rt-ac1200:-:::::::*
5	cpe:2.3:h:asus:rt-ac1200_v2:-:::::::*
6	cpe:2.3:h:asus:rt-ac1200g:-:::::::*
7	cpe:2.3:h:asus:rt-ac1200ge:-:::::::*
8	cpe:2.3:h:asus:rt-ac1750:-:::::::*
9	cpe:2.3:h:asus:rt-ac1750_b1:-:::::::*
10	cpe:2.3:h:asus:rt-ac1900p:-:::::::*
11	cpe:2.3:h:asus:rt-ac3100:-:::::::*
12	cpe:2.3:h:asus:rt-ac3200:-:::::::*
13	cpe:2.3:h:asus:rt-ac51u:-:::::::*
14	cpe:2.3:h:asus:rt-ac5300:-:::::::*
15	cpe:2.3:h:asus:rt-ac55u:-:::::::*
16	cpe:2.3:h:asus:rt-ac56r:-:::::::*
17	cpe:2.3:h:asus:rt-ac56s:-:::::::*
18	cpe:2.3:h:asus:rt-ac56u:-:::::::*
19	cpe:2.3:h:asus:rt-ac66r:-:::::::*
20	cpe:2.3:h:asus:rt-ac66u:-:::::::*
21	cpe:2.3:h:asus:rt-ac66u-b1:-:::::::*
22	cpe:2.3:h:asus:rt-ac66u_b1:-:::::::*
23	cpe:2.3:h:asus:rt-ac68p:-:::::::*
24	cpe:2.3:h:asus:rt-ac68u:-:::::::*
25	cpe:2.3:h:asus:rt-ac86u:-:::::::*
26	cpe:2.3:h:asus:rt-ac87u:-:::::::*
27	cpe:2.3:h:asus:rt-ac88u:-:::::::*
28	cpe:2.3:h:asus:rt-acrh12:-:::::::*
29	cpe:2.3:h:asus:rt-acrh13:-:::::::*
30	cpe:2.3:h:asus:rt-ax3000:-:::::::*
31	cpe:2.3:h:asus:rt-ax56u:-:::::::*
32	cpe:2.3:h:asus:rt-ax58u:-:::::::*
33	cpe:2.3:h:asus:rt-ax88u:-:::::::*
34	cpe:2.3:h:asus:rt-ax92u:-:::::::*
35	cpe:2.3:h:asus:rt-g32:-:::::::*
36	cpe:2.3:h:asus:rt-n10\+d1:-:::::::*
37	cpe:2.3:h:asus:rt-n10e:-:::::::*
38	cpe:2.3:h:asus:rt-n14u:-:::::::*
39	cpe:2.3:h:asus:rt-n16:-:::::::*
40	cpe:2.3:h:asus:rt-n19:-:::::::*
41	cpe:2.3:h:asus:rt-n56r:-:::::::*
42	cpe:2.3:h:asus:rt-n56u:-:::::::*
43	cpe:2.3:h:asus:rt-n600:-:::::::*
44	cpe:2.3:h:asus:rt-n65u:-:::::::*
45	cpe:2.3:h:asus:rt-n66r:-:::::::*
46	cpe:2.3:h:asus:rt-n66u:-:::::::*