CVE-2019-3932

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to authentication bypass due to a hard-coded password in return.tgi. A remote, unauthenticated attacker can use this vulnerability to control external devices via the uart_bridge.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.tenable.com/security/research/tra-2019-20	Exploit Third Party Advisory
https://www.tenable.com/security/research/tra-2019-20	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:crestron:am-100_firmware:1.6.0.2:*:*:*:*:*:*:*

cpe:2.3:h:crestron:am-100:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:crestron:am-101_firmware:2.7.0.2:*:*:*:*:*:*:*

cpe:2.3:h:crestron:am-101:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:42

Type	Values Removed	Values Added
References	~~() https://www.tenable.com/security/research/tra-2019-20 - Exploit, Third Party Advisory~~	() https://www.tenable.com/security/research/tra-2019-20 - Exploit, Third Party Advisory

Information

Published : 2019-04-30 21:29

Updated : 2024-11-21 04:42

NVD link : CVE-2019-3932

Mitre link : CVE-2019-3932

CVE.ORG link : CVE-2019-3932

JSON object : View

Products Affected

crestron

am-100
am-100_firmware
am-101_firmware
am-101

CWE

CWE-249

DEPRECATED: Often Misused: Path Manipulation

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2019-3932", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2019-04-30T21:29:00.900", "references": [{"url": "https://www.tenable.com/security/research/tra-2019-20", "tags": ["Exploit", "Third Party Advisory"], "source": "vulnreport@tenable.com"}, {"url": "https://www.tenable.com/security/research/tra-2019-20", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "vulnreport@tenable.com", "description": [{"lang": "en", "value": "CWE-249"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to authentication bypass due to a hard-coded password in return.tgi. A remote, unauthenticated attacker can use this vulnerability to control external devices via the uart_bridge."}, {"lang": "es", "value": "Crestron AM-100 con firmware versi\u00f3n 1.6.0.2 y AM-101 con firmware versi\u00f3n 2.7.0.2 son vulnerables a la omisi\u00f3n de identificaci\u00f3n debido a una contrase\u00f1a codificada en el archivo return.tgi. Un atacante remoto no autorizado puede usar esta vulnerabilidad para controlar dispositivos externos por medio del uart_bridge."}], "lastModified": "2024-11-21T04:42:53.503", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:crestron:am-100_firmware:1.6.0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "913135BE-8FB4-40BA-85D8-AD0F824493C3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:crestron:am-100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "081E2B1B-027D-4846-8C61-54CE2D668CD0"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:crestron:am-101_firmware:2.7.0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6AC584E7-9159-48E8-B499-F5CA68663503"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:crestron:am-101:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D0AB0523-6EFF-4C78-A8BA-B2764DBB04D0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vulnreport@tenable.com"}