Drupal up to 8.3.3 PATCH Request input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Drupal up to 8.3.3. The impacted element is an unknown function of the component PATCH Request Handler. This manipulation causes input validation. The identification of this vulnerability is CVE-2017-6921. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Drupal up to 8.3.3 (Content Management System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component PATCH Request Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity.

The bug was discovered 06/21/2017. The weakness was shared 06/21/2017 as SA-CORE-2017-003 as confirmed security advisory (Website). The advisory is shared at drupal.org. This vulnerability is known as CVE-2017-6921 since 03/16/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 101276 (FreeBSD : drupal -- Drupal Core - Multiple Vulnerabilities (4fc2df49-6279-11e7-be0f-6cf0497db129)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11836 (Drupal Core Multiple Security Vulnerabilities (SA-CORE-2017-003)).

Upgrading to version 7.x or 8.3.4 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101276), SecurityFocus (BID 99222†) and SecurityTracker (ID 1038781†). The entries VDB-102768 and VDB-102770 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101276
Nessus Name: FreeBSD : drupal -- Drupal Core - Multiple Vulnerabilities (4fc2df49-6279-11e7-be0f-6cf0497db129)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801842
OpenVAS Name: Drupal Core Multiple Vulnerabilities (SA-CORE-2017-003) (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Drupal 7.x/8.3.4

Timelineinfo

03/16/2017 🔍
06/21/2017 +97 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/23/2017 +2 days 🔍
06/23/2017 +0 days 🔍
07/06/2017 +13 days 🔍
07/07/2017 +1 days 🔍
01/15/2019 +557 days 🔍
12/29/2020 +714 days 🔍

Sourcesinfo

Product: drupal.org

Advisory: SA-CORE-2017-003
Researcher: Samuel Mortenson
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6921 (🔍)
GCVE (CVE): GCVE-0-2017-6921
GCVE (VulDB): GCVE-100-102769
SecurityFocus: 99222 - Drupal Core CVE-2017-6921 Security Bypass Vulnerability
SecurityTracker: 1038781

See also: 🔍

Entryinfo

Created: 06/23/2017 15:26
Updated: 12/29/2020 14:57
Changes: 06/23/2017 15:26 (68), 10/20/2019 07:29 (17), 12/29/2020 14:48 (2), 12/29/2020 14:52 (1), 12/29/2020 14:57 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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