Elasticsearch up to 6.2.4 Snapshot API access_key/security_key information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

A vulnerability was found in Elasticsearch up to 6.2.4. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Snapshot API. The manipulation of the argument access_key/security_key as part of a Parameter leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API. When the access_key and security_key parameters are set using the _snapshot API they can be exposed as plain text by users able to query the _snapshot API.

The bug was discovered 06/13/2018. The weakness was shared 09/19/2018 (Website). It is possible to read the advisory at discuss.elastic.co. This vulnerability is known as CVE-2018-3826 since 01/01/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 112045 (Elasticsearch ESA-2018-10), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (112045). The entry 124280 is related to this item.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 112045
Nessus Name: Elasticsearch ESA-2018-10
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2018 🔍
06/13/2018 +162 days 🔍
06/13/2018 +0 days 🔍
08/22/2018 +70 days 🔍
09/19/2018 +27 days 🔍
09/19/2018 +0 days 🔍
09/20/2018 +1 days 🔍
03/25/2020 +552 days 🔍

Sourcesinfo

Advisory: discuss.elastic.co
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-3826 (🔍)
See also: 🔍

Entryinfo

Created: 09/20/2018 08:25
Updated: 03/25/2020 15:15
Changes: 09/20/2018 08:25 (70), 03/25/2020 15:15 (2)
Complete: 🔍

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