Mattermost up to 7.8.13/8.1.4 /metrics id/reports information disclosure

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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Mattermost up to 7.8.13/8.1.4. The affected element is an unknown function of the file /metrics. The manipulation of the argument id/reports leads to information disclosure. This vulnerability is referenced as CVE-2023-6459. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 7.8.13/8.1.4 and classified as problematic. This issue affects an unknown code of the file /metrics. The manipulation of the argument id/reports with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

The weakness was published 12/06/2023 by Doyensec. It is possible to read the advisory at mattermost.com. The identification of this vulnerability is CVE-2023-6459 since 12/01/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 7.8.14 or 8.1.5 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

CNA Base Score: 5.3
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 7.8.14/8.1.5

Timelineinfo

12/01/2023 🔍
12/06/2023 +5 days 🔍
12/06/2023 +0 days 🔍
12/30/2023 +24 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Doyensec
Status: Confirmed

CVE: CVE-2023-6459 (🔍)
GCVE (CVE): GCVE-0-2023-6459
GCVE (VulDB): GCVE-100-247055

Entryinfo

Created: 12/06/2023 09:38
Updated: 12/30/2023 07:41
Changes: 12/06/2023 09:38 (50), 12/30/2023 07:41 (1)
Complete: 🔍
Cache ID: 216::103

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