CVE-2020-6144

A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

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

V2 Legend

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://talosintelligence.com/vulnerability_reports/TALOS-2020-1083	Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:os4ed:opensis:7.4:*:*:*:*:*:*:*

History

21 Nov 2024, 05:35

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083 - Exploit, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083 - Exploit, Third Party Advisory

Information

Published : 2020-09-01 21:15

Updated : 2024-11-21 05:35

NVD link : CVE-2020-6144

Mitre link : CVE-2020-6144

CVE.ORG link : CVE-2020-6144

JSON object : View

Products Affected

os4ed

opensis

CWE

CWE-96

Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')

CWE-94

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

{"id": "CVE-2020-6144", "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}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}], "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": "2020-09-01T21:15:13.143", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-96"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota en la funcionalidad de instalaci\u00f3n de OS4Ed openSIS versi\u00f3n 7.4. La variable username que es establecida en la l\u00ednea 121 en el archivo install/Step5.php permite una inyecci\u00f3n de c\u00f3digo PHP en el archivo Data.php que escribe. Un atacante puede enviar una petici\u00f3n HTTP para desencadenar esta vulnerabilidad"}], "lastModified": "2024-11-21T05:35:11.693", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:os4ed:opensis:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "77BF9906-CBB0-4B99-BCB3-2C18CAA9155F"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}

9.8 /10