CVE-2023-5522

Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost::::::android::*
	cpe:2.3:a:mattermost:mattermost::::::iphone_os::*

History

No history.

Information

Published : 2023-10-17 10:15

Updated : 2023-10-24 18:56

NVD link : CVE-2023-5522

Mitre link : CVE-2023-5522

CVE.ORG link : CVE-2023-5522

JSON object : View

Products Affected

mattermost

mattermost

CWE

NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2023-5522", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2023-10-17T10:15:10.427", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "Mattermost Mobile fails to limit\u00a0the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and\u00a0freeze the mobile app of users when viewing that particular channel.\u00a0\n\n"}, {"lang": "es", "value": "Mattermost Mobile no limita la cantidad m\u00e1xima de elementos Markdown en una publicaci\u00f3n, lo que permite a un atacante enviar una publicaci\u00f3n con cientos de emojis a un canal y congelar la aplicaci\u00f3n m\u00f3vil de los usuarios cuando ven ese canal en particular."}], "lastModified": "2023-10-24T18:56:18.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "5CDF40BF-82EB-4109-A6A8-BE16F18604DB", "versionEndExcluding": "2.8.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "98266404-FB76-4221-8E3B-AC6C018F3CD8", "versionEndExcluding": "2.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}