CVE-2023-27265 - Vulnerability Details - OpenCVE

Description

Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

Published: 2023-02-27

Score: 2.7 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mattermost

Mattermost

unaffected

Version	Status	Constraints
`5.12.0`	affected	< 7.7.0

Configuration 1 [-]

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost to version 7.7.0 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-31043	Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00246.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://mattermost.com/security-updates/

History

Fri, 06 Dec 2024 23:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Mattermost Mattermost Server

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-02-27T14:46:23.494Z

Updated: 2024-12-06T23:06:38.055Z

Reserved: 2023-02-27T14:31:01.786Z

Link: CVE-2023-27265

Vulnrichment

Updated: 2024-08-02T12:09:42.689Z

NVD

Status : Modified

Published: 2023-02-27T15:15:11.997

Modified: 2024-11-21T07:52:33.653

Link: CVE-2023-27265

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-27265", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2023-02-27T14:31:01.786Z", "datePublished": "2023-02-27T14:46:23.494Z", "dateUpdated": "2024-12-06T23:06:38.055Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThan": "7.7.0", "status": "affected", "version": "5.12.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "foobar7"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div>Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.<br></div>"}], "value": "Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2023-02-27T14:46:23.494Z"}, "references": [{"url": "https://mattermost.com/security-updates/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update Mattermost to version 7.7.0 or higher.<br>"}], "value": "Update Mattermost to version 7.7.0 or higher.\n"}], "source": {"advisory": "MMSA-2023-00133", "defect": ["https://mattermost.atlassian.net/browse/MM-47982"], "discovery": "EXTERNAL"}, "title": "Disclosure of team owner email address when regenerating Invite ID", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:09:42.689Z"}, "title": "CVE Program Container", "references": [{"url": "https://mattermost.com/security-updates/", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-12-06T22:52:20.178801Z", "id": "CVE-2023-27265", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-06T23:06:38.055Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://mattermost.com/security-updates/", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:09:42.689Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-27265", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-12-06T22:52:20.178801Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-06T22:52:21.528Z"}}], "cna": {"title": "Disclosure of team owner email address when regenerating Invite ID", "source": {"defect": ["https://mattermost.atlassian.net/browse/MM-47982"], "advisory": "MMSA-2023-00133", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "foobar7"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Mattermost", "product": "Mattermost", "versions": [{"status": "affected", "version": "5.12.0", "lessThan": "7.7.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update Mattermost to version 7.7.0 or higher.\n", "supportingMedia": [{"type": "text/html", "value": "Update Mattermost to version 7.7.0 or higher.<br>", "base64": false}]}], "references": [{"url": "https://mattermost.com/security-updates/"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n", "supportingMedia": [{"type": "text/html", "value": "<div>Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.<br></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2023-02-27T14:46:23.494Z"}}}, "cveMetadata": {"cveId": "CVE-2023-27265", "state": "PUBLISHED", "dateUpdated": "2024-12-06T23:06:38.055Z", "dateReserved": "2023-02-27T14:31:01.786Z", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "datePublished": "2023-02-27T14:46:23.494Z", "assignerShortName": "Mattermost"}, "dataVersion": "5.1"}