CVE-2023-2797

Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost:7.10.0:::::::*

History

No history.

Information

Published : 2023-06-16 10:15

Updated : 2023-06-26 17:45

NVD link : CVE-2023-2797

Mitre link : CVE-2023-2797

CVE.ORG link : CVE-2023-2797

JSON object : View

Products Affected

mattermost

mattermost

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

{"id": "CVE-2023-2797", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.6}]}, "published": "2023-06-16T10:15:09.337", "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": "CWE-74"}]}, {"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-74"}]}], "descriptions": [{"lang": "en", "value": "Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.\n\n\n"}], "lastModified": "2023-06-26T17:45:05.103", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25CE0189-55BD-4A74-8844-59613D63A6FD", "versionEndIncluding": "7.1.9", "versionStartIncluding": "7.1.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "970C833F-3F25-43E1-B7AE-717BF35F998F", "versionEndIncluding": "7.8.4", "versionStartIncluding": "7.8.0"}, {"criteria": "cpe:2.3:a:mattermost:mattermost:7.10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "980D0FB9-D2FF-4C31-BC92-07073A8F4BB3"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}