Mycroft AI up to 18.2.8b on Linux WebSocket Server access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Mycroft AI up to 18.2.8b on Linux. It has been rated as critical. This affects an unknown part of the component WebSocket Server. This manipulation causes access control. This vulnerability is registered as CVE-2018-1000621. Remote exploitation of the attack is possible. No exploit is available. This vulnerability is historically significant due to its background and the way it was received.

Detailsinfo

A vulnerability classified as critical was found in Mycroft AI up to 18.2.8b on Linux (Artificial Intelligence Software). Affected by this vulnerability is an unknown function of the component WebSocket Server. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Mycroft AI mycroft-core version 18.2.8b and earlier contains a Incorrect Access Control vulnerability in Websocket configuration that can result in code execution. This impacts ONLY the Mycroft for Linux and "non-enclosure" installs - Mark 1 and Picroft unaffected. This attack appear to be exploitable remote access to the unsecured websocket server. This vulnerability appears to have been fixed in No fix currently available.

The bug was discovered 06/10/2018. The weakness was published 07/09/2018 (Website). The advisory is shared at community.mycroft.ai. This vulnerability is known as CVE-2018-1000621 since 07/09/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/03/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue. Due to its background and reception, this vulnerability has a historic impact.

The vulnerability was handled as a non-public zero-day exploit for at least 29 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/10/2018 🔍
07/09/2018 +28 days 🔍
07/09/2018 +0 days 🔍
07/09/2018 +0 days 🔍
07/10/2018 +1 days 🔍
03/03/2020 +602 days 🔍

Sourcesinfo

Advisory: community.mycroft.ai
Status: Not defined

CVE: CVE-2018-1000621 (🔍)
GCVE (CVE): GCVE-0-2018-1000621
GCVE (VulDB): GCVE-100-120925

Entryinfo

Created: 07/10/2018 09:54
Updated: 03/03/2020 13:11
Changes: 07/10/2018 09:54 (60), 03/03/2020 13:11 (1)
Complete: 🔍
Cache ID: 216::103

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