Vulnerability CVE-2017-6919 - CERT Civis.Net

Vulnerability Name:

CVE-2017-6919 (CCN-124808)

Assigned:

2017-04-19

Published:

2017-04-19

Updated:

2019-10-03

Summary:

Drupal 8 before 8.2.8 and 8.3 before 8.3.1 allows critical access bypass by authenticated users if the RESTful Web Services (rest) module is enabled and the site allows PATCH requests.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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:L/UI:N/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): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

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

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

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:

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2017-6919

Source: BID
Type: Third Party Advisory, VDB Entry
97941

Source: CCN
Type: BID-97941
Drupal CVE-2017-6919 Access Bypass Vulnerability

Source: SECTRACK
Type: UNKNOWN
1038371

Source: XF
Type: UNKNOWN
drupal-cve20176919-sec-bypass(124808)

Source: CCN
Type: DRUPAL-SA-CORE-2017-002
Critical - Access Bypass

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.drupal.org/SA-CORE-2017-002

Vulnerable Configuration:

Configuration 1:

cpe:/a:drupal:drupal:8.0.0:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha10:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha11:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha12:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha13:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha14:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha15:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha3:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha4:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha5:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha6:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha7:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha8:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:alpha9:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta10:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta11:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta12:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta13:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta14:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta15:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta16:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta3:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta4:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta6:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta7:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:beta9:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:rc1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:rc2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:rc3:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.0:rc4:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.1:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.2:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.3:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.4:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.5:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.0.6:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.0:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.0:beta1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.0:beta2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.0:rc1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.1:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.2:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.3:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.4:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.5:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.6:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.7:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.8:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.9:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.1.10:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:beta1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:beta2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:beta3:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:rc1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.0:rc2:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.1:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.2:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.3:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.4:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.5:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.6:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.2.7:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.3.0:*:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.3.0:alpha1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.3.0:beta1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.3.0:rc1:*:*:*:*:*:*

OR cpe:/a:drupal:drupal:8.3.0:rc2:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:drupal:drupal:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.precise:def:20176919000	V	CVE-2017-6919 on Ubuntu 12.04 LTS (precise) - high.	2017-04-19
oval:com.ubuntu.trusty:def:20176919000	V	CVE-2017-6919 on Ubuntu 14.04 LTS (trusty) - high.	2017-04-19
oval:com.ubuntu.xenial:def:20176919000	V	CVE-2017-6919 on Ubuntu 16.04 LTS (xenial) - high.	2017-04-19
oval:com.ubuntu.xenial:def:201769190000000	V	CVE-2017-6919 on Ubuntu 16.04 LTS (xenial) - high.	2017-04-19