{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2018-25117", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-10-14T16:07:20.780Z", "datePublished": "2025-10-15T01:23:35.427Z", "dateUpdated": "2025-10-15T01:23:35.427Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["Debian installer"], "product": "Control Panel (CP)", "vendor": "Vesta", "versions": [{"lessThan": "commit ee03eff (2018-06-13)", "status": "affected", "version": "commit a3f0fa1 (2018-05-31)", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Kaspersky Labs"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "VestaCP commit a3f0fa1 (2018-05-31) up to commit ee03eff (2018-06-13) contain embedded malicious code that resulted in a supply-chain compromise. New installations created from the compromised installer since at least May 2018 were subject to installation of Linux/ChachaDDoS, a multi-stage DDoS bot that uses Lua for second- and third-stage components. The compromise leaked administrative credentials (base64-encoded admin password and server domain) to an external URL during installation and/or resulted in the installer dropping and executing a DDoS malware payload under local system privileges. Compromised servers were subsequently observed participating in large-scale DDoS activity. Vesta acknowledged exploitation in the wild in October 2018.<br>"}], "value": "VestaCP commit a3f0fa1 (2018-05-31) up to commit ee03eff (2018-06-13) contain embedded malicious code that resulted in a supply-chain compromise. New installations created from the compromised installer since at least May 2018 were subject to installation of Linux/ChachaDDoS, a multi-stage DDoS bot that uses Lua for second- and third-stage components. The compromise leaked administrative credentials (base64-encoded admin password and server domain) to an external URL during installation and/or resulted in the installer dropping and executing a DDoS malware payload under local system privileges. Compromised servers were subsequently observed participating in large-scale DDoS activity. Vesta acknowledged exploitation in the wild in October 2018."}], "impacts": [{"capecId": "CAPEC-441", "descriptions": [{"lang": "en", "value": "CAPEC-441 Malicious Logic Insertion"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-506", "description": "CWE-506 Embedded Malicious Code", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2025-10-15T01:23:35.427Z"}, "references": [{"tags": ["technical-description"], "url": "https://www.welivesecurity.com/2018/10/18/new-linux-chachaddos-malware-distributed-servers-vestacp-installed/"}, {"tags": ["patch"], "url": "https://github.com/outroll/vesta/commit/ee03eff016e03cb76fac7ae3a0f9d1ef0f8ee35b#diff-df8da0c91e9086454c60cd468849630dL1270"}, {"tags": ["exploit"], "url": "https://github.com/outroll/vesta/commit/a3f0fa1501d424477786e3e7150bb05c0b99518f#diff-df8da0c91e9086454c60cd468849630dR1256"}, {"tags": ["issue-tracking"], "url": "https://forum.vestacp.com/viewtopic.php?f=10&t=17641&p=73282"}, {"tags": ["vendor-advisory", "patch"], "url": "https://forum.vestacp.com/viewtopic.php?f=10&t=17641&start=180#p73907"}, {"tags": ["product"], "url": "https://vestacp.com/"}, {"tags": ["product"], "url": "https://github.com/outroll/vesta"}, {"tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/vestacp-debian-installer-malicious-backdoor-supply-chain-compromise"}], "source": {"discovery": "UNKNOWN"}, "tags": ["x_known-exploited-vulnerability"], "title": "VestaCP Debian Installer Malicious Backdoor Supply Chain Compromise", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "VestaCP commit a3f0fa1 (2018-05-31) up to commit ee03eff (2018-06-13) contain embedded malicious code that resulted in a supply-chain compromise. New installations created from the compromised installer since at least May 2018 were subject to installation of Linux/ChachaDDoS, a multi-stage DDoS bot that uses Lua for second- and third-stage components. The compromise leaked administrative credentials (base64-encoded admin password and server domain) to an external URL during installation and/or resulted in the installer dropping and executing a DDoS malware payload under local system privileges. Compromised servers were subsequently observed participating in large-scale DDoS activity. Vesta acknowledged exploitation in the wild in October 2018."}], "id": "CVE-2018-25117", "lastModified": "2025-10-15T02:15:31.580", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2025-10-15T02:15:31.580", "references": [{"source": "disclosure@vulncheck.com", "url": "https://forum.vestacp.com/viewtopic.php?f=10&t=17641&p=73282"}, {"source": "disclosure@vulncheck.com", "url": "https://forum.vestacp.com/viewtopic.php?f=10&t=17641&start=180#p73907"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/outroll/vesta"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/outroll/vesta/commit/a3f0fa1501d424477786e3e7150bb05c0b99518f#diff-df8da0c91e9086454c60cd468849630dR1256"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/outroll/vesta/commit/ee03eff016e03cb76fac7ae3a0f9d1ef0f8ee35b#diff-df8da0c91e9086454c60cd468849630dL1270"}, {"source": "disclosure@vulncheck.com", "url": "https://vestacp.com/"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/vestacp-debian-installer-malicious-backdoor-supply-chain-compromise"}, {"source": "disclosure@vulncheck.com", "url": "https://www.welivesecurity.com/2018/10/18/new-linux-chachaddos-malware-distributed-servers-vestacp-installed/"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-506"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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