{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-34323", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-04-15T19:15:22.585Z", "datePublished": "2025-11-17T17:48:28.973Z", "dateUpdated": "2025-11-26T14:15:23.703Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Log Server", "vendor": "Nagios", "versions": [{"lessThan": "2026R1.0.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nagios:log_server:2026:*:*:*:*:*:*:*", "versionEndExcluding": "r1.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "M. Cory Billington of theyhack.me"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Nagios</span><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the '</span><span style=\"background-color: rgb(255, 255, 255);\">nagios</span><span style=\"background-color: rgb(255, 255, 255);\">' group, which has write access to '/usr/local/nagioslogserver/</span><span style=\"background-color: rgb(255, 255, 255);\">scripts', while several scripts in this directory are owned by root and may be executed via sudo without a password. A local attacker running as 'www-data' can move one of these root-owned scripts to a backup name and create a replacement script with attacker-controlled content at the original path, then invoke it with sudo. This allows arbitrary commands to be executed with root privileges, providing full compromise of the underlying operating system.</span><br>"}], "value": "Nagios\u00a0Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the 'nagios' group, which has write access to '/usr/local/nagioslogserver/scripts', while several scripts in this directory are owned by root and may be executed via sudo without a password. A local attacker running as 'www-data' can move one of these root-owned scripts to a backup name and create a replacement script with attacker-controlled content at the original path, then invoke it with sudo. This allows arbitrary commands to be executed with root privileges, providing full compromise of the underlying operating system."}], "impacts": [{"capecId": "CAPEC-122", "descriptions": [{"lang": "en", "value": "CAPEC-122 Privilege Abuse"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 8.5, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2025-11-26T14:15:23.703Z"}, "references": [{"tags": ["vendor-advisory", "patch"], "url": "https://www.nagios.com/products/security/#log-server"}, {"tags": ["release-notes", "patch"], "url": "https://www.nagios.com/changelog/nagios-log-server/nagios-log-server-2026r1-0-1/"}, {"tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/nagios-log-server-local-privilege-escalation-via-writable-scripts-and-sudo-rules"}, {"tags": ["technical-description", "exploit"], "url": "https://theyhack.me/Rooting-Nagios-Log-Server/"}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2025-11-05T17:00:00.000Z", "value": "2026R1.0.1 is released"}], "title": "Nagios Log Server < 2026R1.0.1 Local Privilege Escalation via Writable Scripts and Sudo Rules", "x_generator": {"engine": "vulncheck"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-11-17T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2025-34323"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-18T04:55:23.236Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-34323", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-11-17T18:23:46.714767Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-17T18:23:51.837Z"}}], "cna": {"title": "Nagios Log Server < 2026R1.0.1 Local Privilege Escalation via Writable Scripts and Sudo Rules", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "M. Cory Billington of theyhack.me"}], "impacts": [{"capecId": "CAPEC-122", "descriptions": [{"lang": "en", "value": "CAPEC-122 Privilege Abuse"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Nagios", "product": "Log Server", "versions": [{"status": "affected", "version": "0", "lessThan": "2026R1.0.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2025-11-05T17:00:00.000Z", "value": "2026R1.0.1 is released"}], "references": [{"url": "https://www.nagios.com/products/security/#log-server", "tags": ["vendor-advisory", "patch"]}, {"url": "https://www.nagios.com/changelog/nagios-log-server/nagios-log-server-2026r1-0-1/", "tags": ["release-notes", "patch"]}, {"url": "https://www.vulncheck.com/advisories/nagios-log-server-local-privilege-escalation-via-writable-scripts-and-sudo-rules", "tags": ["third-party-advisory"]}, {"url": "https://theyhack.me/Rooting-Nagios-Log-Server/", "tags": ["technical-description", "exploit"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "Nagios\u00a0Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the 'nagios' group, which has write access to '/usr/local/nagioslogserver/scripts', while several scripts in this directory are owned by root and may be executed via sudo without a password. A local attacker running as 'www-data' can move one of these root-owned scripts to a backup name and create a replacement script with attacker-controlled content at the original path, then invoke it with sudo. This allows arbitrary commands to be executed with root privileges, providing full compromise of the underlying operating system.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Nagios</span><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the '</span><span style=\"background-color: rgb(255, 255, 255);\">nagios</span><span style=\"background-color: rgb(255, 255, 255);\">' group, which has write access to '/usr/local/nagioslogserver/</span><span style=\"background-color: rgb(255, 255, 255);\">scripts', while several scripts in this directory are owned by root and may be executed via sudo without a password. A local attacker running as 'www-data' can move one of these root-owned scripts to a backup name and create a replacement script with attacker-controlled content at the original path, then invoke it with sudo. This allows arbitrary commands to be executed with root privileges, providing full compromise of the underlying operating system.</span><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nagios:log_server:2026:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "r1.0.1"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2025-11-26T14:15:23.703Z"}}}, "cveMetadata": {"cveId": "CVE-2025-34323", "state": "PUBLISHED", "dateUpdated": "2025-11-26T14:15:23.703Z", "dateReserved": "2025-04-15T19:15:22.585Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2025-11-17T17:48:28.973Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nagios:log_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "193F80CC-75B5-4F6B-8C44-ABB8ADC43C31", "versionEndExcluding": "2026", "vulnerable": true}, {"criteria": "cpe:2.3:a:nagios:log_server:2026:r1:*:*:*:*:*:*", "matchCriteriaId": "B2FC4948-E93B-4F6F-83D5-17A39A5DDAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nagios\u00a0Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the 'nagios' group, which has write access to '/usr/local/nagioslogserver/scripts', while several scripts in this directory are owned by root and may be executed via sudo without a password. A local attacker running as 'www-data' can move one of these root-owned scripts to a backup name and create a replacement script with attacker-controlled content at the original path, then invoke it with sudo. This allows arbitrary commands to be executed with root privileges, providing full compromise of the underlying operating system."}], "id": "CVE-2025-34323", "lastModified": "2025-11-26T15:15:52.143", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2025-11-17T18:15:56.880", "references": [{"source": "[email protected]", "url": "https://theyhack.me/Rooting-Nagios-Log-Server/"}, {"source": "[email protected]", "tags": ["Release Notes"], "url": "https://www.nagios.com/changelog/nagios-log-server/nagios-log-server-2026r1-0-1/"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.nagios.com/products/security/#log-server"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/nagios-log-server-local-privilege-escalation-via-writable-scripts-and-sudo-rules"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "[email protected]", "type": "Secondary"}]}

{}