CVE-2020-8180

A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.

CVSS v3 9.9 CRITICAL
CVSS v2.0 6.5 MEDIUM

9.9^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/851807	Exploit Patch Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-021	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:talk::::::::
	cpe:2.3:a:nextcloud:talk::::::::
	cpe:2.3:a:nextcloud:talk::::::::

History

No history.

Information

Published : 2020-06-08 14:15

Updated : 2024-02-04 21:00

NVD link : CVE-2020-8180

Mitre link : CVE-2020-8180

CVE.ORG link : CVE-2020-8180

JSON object : View

Products Affected

nextcloud

talk

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2020-8180", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "published": "2020-06-08T14:15:13.273", "references": [{"url": "https://hackerone.com/reports/851807", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-021", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-94"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator."}, {"lang": "es", "value": "Una comprobaci\u00f3n demasiado laxa en Nextcloud Talk versiones 6.0.4, 7.0.2 y 8.0.7, permiti\u00f3 una inyecci\u00f3n de c\u00f3digo cuando un comando de talk no saneado correctamente fue agregado por parte de un administrador"}], "lastModified": "2020-06-11T18:10:23.393", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "244FE5A3-C7E7-43DC-B56F-C498D0BDD167", "versionEndExcluding": "6.0.5"}, {"criteria": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E4FFAE0-1425-4D45-8523-A72B9D63A782", "versionEndExcluding": "7.0.3", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7EDDB2F-1FA3-486A-89C9-89DE2473BF65", "versionEndExcluding": "8.0.8", "versionStartIncluding": "8.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}