CVE-2019-16784

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In order to be exploitable the software has to be (re)started after the attacker launch the exploit program, so for a service launched at startup, a service restart is needed (e.g. after a crash or an upgrade)."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-250", "description": "CWE-250 Execution with Unnecessary Privileges", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-01-14T20:10:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pyinstaller/pyinstaller/security/advisories/GHSA-7fcj-pq9j-wh2r"}], "source": {"advisory": "GHSA-7fcj-pq9j-wh2r", "discovery": "UNKNOWN"}, "title": "Local Privilege Escalation present only on the Windows version of PyInstaller", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2019-16784", "STATE": "PUBLIC", "TITLE": "Local Privilege Escalation present only on the Windows version of PyInstaller"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PyInstaller", "version": {"version_data": [{"platform": "windows", "version_value": "< 3.6"}]}}]}, "vendor_name": "PyInstaller"}]}}, "credit": [{"lang": "eng", "value": "This vulnerability was discovered and reported by Farid AYOUJIL (@faridtsl), David HA, Florent LE NIGER and Yann GASCUEL (@lnv42) from Alter Solutions (@AlterSolutions) and fixed in collaboration with Hartmut Goebel (@htgoebel)."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In PyInstaller before version 3.6, only on Windows, a local privilege escalation vulnerability is present in this particular case: If a software using PyInstaller in \"onefile\" mode is launched by a privileged user (at least more than the current one) which have his \"TempPath\" resolving to a world writable directory. This is the case for example if the software is launched as a service or as a scheduled task using a system account (TempPath will be C:\\Windows\\Temp). 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