CVE-2021-39172

{"containers": {"cna": {"affected": [{"product": "Cachet", "vendor": "fiveai", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "descriptions": [{"lang": "en", "value": "Cachet is an open source status page system. Prior to version 2.5.1, authenticated users, regardless of their privileges (User or Admin), can exploit a new line injection in the configuration edition feature (e.g. mail settings) and gain arbitrary code execution on the server. This issue was addressed in version 2.5.1 by improving `UpdateConfigCommandHandler` and preventing the use of new lines characters in new configuration values. As a workaround, only allow trusted source IP addresses to access to the administration dashboard."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-93", "description": "CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-02T15:12:58.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/"}], "source": {"advisory": "GHSA-9jxw-cfrh-jxq6", "discovery": "UNKNOWN"}, "title": "New line injection during configuration edition", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39172", "STATE": "PUBLIC", "TITLE": "New line injection during configuration edition"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cachet", "version": {"version_data": [{"version_value": "< 2.5.1"}]}}]}, "vendor_name": "fiveai"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cachet is an open source status page system. Prior to version 2.5.1, authenticated users, regardless of their privileges (User or Admin), can exploit a new line injection in the configuration edition feature (e.g. mail settings) and gain arbitrary code execution on the server. This issue was addressed in version 2.5.1 by improving `UpdateConfigCommandHandler` and preventing the use of new lines characters in new configuration values. As a workaround, only allow trusted source IP addresses to access to the administration dashboard."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6", "refsource": "CONFIRM", "url": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6"}, {"name": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1", "refsource": "MISC", "url": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1"}, {"name": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/", "refsource": "MISC", "url": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/"}]}, "source": {"advisory": "GHSA-9jxw-cfrh-jxq6", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.282Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39172", "datePublished": "2021-08-27T22:50:09.000Z", "dateReserved": "2021-08-16T00:00:00.000Z", "dateUpdated": "2024-08-04T01:58:18.282Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Cachet", "vendor": "fiveai", "versions": [{"status": "affected", "version": "< 2.5.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:catchethq:catchet:*:*:*:*:*:*:*:*", "matchCriteriaId": "E6F15FBF-A3DE-4A7F-BAD5-D2C410CAF357", "versionEndExcluding": "2.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cachet is an open source status page system. Prior to version 2.5.1, authenticated users, regardless of their privileges (User or Admin), can exploit a new line injection in the configuration edition feature (e.g. mail settings) and gain arbitrary code execution on the server. This issue was addressed in version 2.5.1 by improving `UpdateConfigCommandHandler` and preventing the use of new lines characters in new configuration values. As a workaround, only allow trusted source IP addresses to access to the administration dashboard."}, {"lang": "es", "value": "Cachet es un sistema de p\u00e1ginas de estado de c\u00f3digo abierto. versiones anteriores a 2.5.1, unos usuarios autenticados, independientemente de sus privilegios (Usuario o Administrador), pueden explotar una nueva inyecci\u00f3n de l\u00ednea en la funcionalidad configuration edition (por ejemplo, la configuraci\u00f3n del correo) y obtener una ejecuci\u00f3n de c\u00f3digo arbitrario en el servidor. Este problema fue solucionado en versi\u00f3n 2.5.1, al mejorar \"UpdateConfigCommandHandler\" y evitando el uso de caracteres de nuevas l\u00edneas en los nuevos valores de configuraci\u00f3n. Como soluci\u00f3n, s\u00f3lo permita que direcciones IP de origen confiable accedan al panel de administraci\u00f3n."}], "id": "CVE-2021-39172", "lastModified": "2026-06-17T04:03:14.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-27T23:15:06.900", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/fiveai/Cachet/releases/tag/v2.5.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/fiveai/Cachet/security/advisories/GHSA-9jxw-cfrh-jxq6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-93"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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