Elasticsearch Alerting/Monitoring up to 5.6.11/6.4.0 API Credentials information disclosure

Summaryinfo

A vulnerability was found in Elasticsearch Alerting and Monitoring up to 5.6.11/6.4.0. It has been declared as problematic. The affected element is an unknown function of the component API. The manipulation results in information disclosure (Credentials). This vulnerability is cataloged as CVE-2018-3831. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Elasticsearch Alerting and Monitoring up to 5.6.11/6.4.0. Affected is some unknown processing of the component API. The manipulation with an unknown input leads to a information disclosure vulnerability (Credentials). 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. CVE summarizes:

Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secrets are configured via the API. The Elasticsearch _cluster/settings API, when queried, could leak sensitive configuration information such as passwords, tokens, or usernames. This could allow an authenticated Elasticsearch user to improperly view these details.

The bug was discovered 09/19/2018. The weakness was shared 09/19/2018 (Website). The advisory is shared for download at discuss.elastic.co. This vulnerability is traded as CVE-2018-3831 since 01/01/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a 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 117665 (Elasticsearch ESA-2018-15), 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 to version 5.6.12 or 6.4.1 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 (117665). The entry VDB-124283 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• Elasticsearch Alerting
• Monitoring

Version

• 5.6.0
• 5.6.1
• 5.6.2
• 5.6.3
• 5.6.4
• 5.6.5
• 5.6.6
• 5.6.7
• 5.6.8
• 5.6.9
• 5.6.10
• 5.6.11
• 6.0
• 6.1
• 6.2
• 6.3
• 6.4.0

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion