X-Pack Security TLS Trust Manager up to 5.5.1 Certificate certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in X-Pack Security TLS Trust Manager up to 5.5.1. This affects an unknown function of the component Certificate Handler. Performing a manipulation results in certificate validation. This vulnerability is reported as CVE-2017-8445. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in X-Pack Security TLS Trust Manager up to 5.5.1. This affects some unknown functionality of the component Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. This could allow any node using any certificate to join a cluster. The proper behavior in this instance is for the TLS trust manager to deny all certificates.

The bug was discovered 08/17/2017. The weakness was disclosed 08/18/2017 (Website). The advisory is shared at elastic.co. This vulnerability is uniquely identified as CVE-2017-8445 since 05/02/2017. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 112041 (Elasticsearch ESA-2017-15), 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 (112041). The entries VDB-75175, VDB-102624, VDB-102623 and VDB-102625 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
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: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 112041
Nessus Name: Elasticsearch ESA-2017-15
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103369
OpenVAS Name: Elasticsearch Kibana X-Pack CVE-2017-8445 TLS Trust Manager Bypass Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/02/2017 🔍
08/17/2017 +107 days 🔍
08/17/2017 +0 days 🔍
08/18/2017 +1 days 🔍
08/18/2017 +0 days 🔍
08/19/2017 +1 days 🔍
08/22/2018 +368 days 🔍
11/09/2019 +444 days 🔍

Sourcesinfo

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

CVE: CVE-2017-8445 (🔍)
GCVE (CVE): GCVE-0-2017-8445
GCVE (VulDB): GCVE-100-105597
See also: 🔍

Entryinfo

Created: 08/19/2017 09:02
Updated: 11/09/2019 08:43
Changes: 08/19/2017 09:02 (62), 11/09/2019 08:43 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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