Vulnerability CVE-2018-20071

Vulnerability Name:

CVE-2018-20071 (CCN-155446)

Assigned:

2018-12-04

Published:

2018-12-04

Updated:

2019-01-30

Summary:

Insufficiently strict origin checks during JIT payment app installation in Payments in Google Chrome prior to 70.0.3538.67 allowed a remote attacker to install a service worker for a domain that can host attacker controled files via a crafted HTML page.

CVSS v3 Severity:

6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2018-20071

Source: CCN
Type: Google Chrome Releases Web site
Stable Channel Update for Desktop

Source: CONFIRM
Type: Vendor Advisory
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html

Source: MISC
Type: Issue Tracking, Patch, Vendor Advisory
https://crbug.com/853937

Source: XF
Type: UNKNOWN
google-chrome-cve201820071-weak-security(155446)

Source: CCN
Type: Google Web site
Chrome

Vulnerable Configuration:

Configuration 1:

cpe:/a:google:chrome:*:*:*:*:*:*:*:* (Version < 70.0.3538.67)

Configuration CCN 1:

cpe:/a:google:chrome:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:2018200710000000	V	CVE-2018-20071 on Ubuntu 19.04 (disco) - medium.	2019-01-09
oval:com.ubuntu.bionic:def:201820071000	V	CVE-2018-20071 on Ubuntu 18.04 LTS (bionic) - medium.	2019-01-09
oval:com.ubuntu.cosmic:def:2018200710000000	V	CVE-2018-20071 on Ubuntu 18.10 (cosmic) - medium.	2019-01-09
oval:com.ubuntu.cosmic:def:201820071000	V	CVE-2018-20071 on Ubuntu 18.10 (cosmic) - medium.	2019-01-09
oval:com.ubuntu.bionic:def:2018200710000000	V	CVE-2018-20071 on Ubuntu 18.04 LTS (bionic) - medium.	2019-01-09
oval:com.ubuntu.trusty:def:201820071000	V	CVE-2018-20071 on Ubuntu 14.04 LTS (trusty) - medium.	2019-01-09
oval:com.ubuntu.xenial:def:2018200710000000	V	CVE-2018-20071 on Ubuntu 16.04 LTS (xenial) - medium.	2019-01-09
oval:com.ubuntu.xenial:def:201820071000	V	CVE-2018-20071 on Ubuntu 16.04 LTS (xenial) - medium.	2019-01-09

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