Elastic X-Pack Security up to 5.3.2/5.4.0 Document Level Security information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Elastic X-Pack Security up to 5.3.2/5.4.0. This affects an unknown function of the component Document Level Security. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2017-8441. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Elastic X-Pack Security up to 5.3.2/5.4.0 and classified as problematic. This vulnerability affects an unknown functionality of the component Document Level Security. The manipulation with an unknown input 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. CVE summarizes:

Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.

The bug was discovered 06/01/2017. The weakness was released 06/05/2017 (Website). The advisory is shared for download at discuss.elastic.co. This vulnerability was named CVE-2017-8441. The attack can be initiated remotely. The successful exploitation needs a single authentication. 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 112039 (Elasticsearch ESA-2017-09), which helps to determine the existence of the flaw in a target environment. It is running in the context r.

Upgrading to version 5.3.3 or 5.4.1 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 (112039). Entries connected to this vulnerability are available at VDB-101953, VDB-101954 and VDB-101955. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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: 112039
Nessus Name: Elasticsearch ESA-2017-09
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103369
OpenVAS Name: Elasticsearch Kibana X-Pack CVE-2017-8441 Insufficient Access Restriction Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: X-Pack Security 5.3.3/5.4.1

Timelineinfo

05/02/2017 🔍
06/01/2017 +17084 days 🔍
06/01/2017 +0 days 🔍
06/05/2017 +4 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
08/22/2018 +443 days 🔍
10/13/2019 +417 days 🔍

Sourcesinfo

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

CVE: CVE-2017-8441 (🔍)
GCVE (CVE): GCVE-0-2017-8441
GCVE (VulDB): GCVE-100-101956
See also: 🔍

Entryinfo

Created: 06/05/2017 20:54
Updated: 10/13/2019 16:52
Changes: 06/05/2017 20:54 (69), 10/13/2019 16:52 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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