X-Pack Machine Learning up to 5.6.8/6.2.3 Jobs cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in X-Pack Machine Learning up to 5.6.8/6.2.3. This impacts an unknown function of the component Jobs Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2018-3823. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in X-Pack Machine Learning up to 5.6.8/6.2.3 and classified as problematic. This vulnerability affects an unknown code block of the component Jobs Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. Users with manage_ml permissions could create jobs containing malicious data as part of their configuration that could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of other ML users viewing the results of the jobs.

The bug was discovered 04/17/2018. The weakness was released 09/19/2018 (Website). The advisory is shared for download at discuss.elastic.co. This vulnerability was named CVE-2018-3823 since 01/01/2018. The attack can be initiated remotely. The requirement for exploitation is a single authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 121358 (Kibana ESA-2018-06), 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 5.6.9 or 6.2.4 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 (121358). Entry connected to this vulnerability is available at VDB-124277. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Name

• X-Pack Machine Learning

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
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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