Drupal 7.56/8.4.4 Comment Reply information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Drupal 7.56/8.4.4 and classified as critical. Affected by this issue is some unknown functionality of the component Comment Reply Handler. The manipulation results in information disclosure. This vulnerability is identified as CVE-2017-6926. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Drupal 7.56/8.4.4 (Content Management System). Affected is an unknown code of the component Comment Reply Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/21/2018 as sa-core-2018-001 as confirmed security advisory (Website). The advisory is shared for download at drupal.org. This vulnerability is traded as CVE-2017-6926. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 106994 (FreeBSD : drupal -- Drupal Core - Multiple Vulnerabilities (57580fcc-1a61-11e8-97e0-00e04c1ea73d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277288 (Fedora Security Update for drupal8 (FEDORA-2018-922cc2fbaa)).

Upgrading to version 7.57 or 8.4.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (106994) and SecurityTracker (ID 1040430†). Entries connected to this vulnerability are available at VDB-113797, VDB-113798, VDB-113799 and VDB-113800. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 106994
Nessus Name: FreeBSD : drupal -- Drupal Core - Multiple Vulnerabilities (57580fcc-1a61-11e8-97e0-00e04c1ea73d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 60448
OpenVAS Name: Fedora Update for drupal7 FEDORA-2018-143886fdbd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Drupal 7.57/8.4.5

Timelineinfo

03/16/2017 🔍
02/21/2018 +342 days 🔍
02/24/2018 +3 days 🔍
02/25/2018 +1 days 🔍
03/01/2018 +4 days 🔍
02/10/2023 +1807 days 🔍

Sourcesinfo

Product: drupal.org

Advisory: sa-core-2018-001
Status: Confirmed

CVE: CVE-2017-6926 (🔍)
GCVE (CVE): GCVE-0-2017-6926
GCVE (VulDB): GCVE-100-113796
SecurityTracker: 1040430

See also: 🔍

Entryinfo

Created: 02/25/2018 09:58
Updated: 02/10/2023 09:05
Changes: 02/25/2018 09:58 (44), 11/15/2019 15:10 (28), 02/10/2023 09:01 (5), 02/10/2023 09:05 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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