CVE-2019-7656

{"id": "CVE-2019-7656", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-01-29T16:15:11.990", "references": [{"url": "https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-7656-PrivEscal-Wowza", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-7656.txt", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notes", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.wowza.com/pricing/installer", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "A privilege escalation vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any unprivileged Linux user to escalate privileges to root. The installer sets too relaxed permissions on /usr/local/WowzaStreamingEngine/bin/* core program files. By injecting a payload into one of those files, it will run with the same privileges as the Wowza server, root. For example, /usr/local/WowzaStreamingEngine/bin/tune.sh could be replaced with a Trojan horse. This issue was resolved in Wowza Streaming Engine 4.8.5."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios en Wowza Streaming Engine versiones 4.8.0 y anteriores permite a cualquier usuario de Linux no privilegiado escalar privilegios a root. El instalador establece permisos demasiado flexibles sobre los archivos de programa principales /usr/local/WowzaStreamingEngine/bin/*. Mediante la inyecci\u00f3n de una carga \u00fatil en uno de esos archivos, se ejecutar\u00e1 con los mismos privilegios que el servidor Wowza, root. Por ejemplo, el archivo /usr/local/WowzaStreamingEngine/bin/tune.sh podr\u00eda ser reemplazado por uno de tipo caballo de Troya. Este problema se resolvi\u00f3 en Wowza Streaming Engine 4.8.5"}], "lastModified": "2022-05-03T14:29:32.060", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72870676-F760-48D9-8DA3-39D4C99C7BFE", "versionEndIncluding": "4.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}