CVE-2024-47889

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Starting in version 3.0.0 and prior to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, and 7.2.1.1, there is a possible ReDoS vulnerability in the block_format helper in Action Mailer. Carefully crafted text can cause the block_format helper to take an unexpected amount of time, possibly resulting in a DoS vulnerability. All users running an affected release should either upgrade to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, or 7.2.1.1 or apply the relevant patch immediately. As a workaround, users can avoid calling the `block_format` helper or upgrade to Ruby 3.2. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected. Rails 8.0.0.beta1 requires Ruby 3.2 or greater so is unaffected."}, {"lang": "es", "value": "Action Mailer es un framework para dise\u00f1ar capas de servicio de correo electr\u00f3nico. A partir de la versi\u00f3n 3.0.0 y anteriores a las versiones 6.1.7.9, 7.0.8.5, 7.1.4.1 y 7.2.1.1, existe una posible vulnerabilidad de ReDoS en el asistente block_format de Action Mailer. Un texto cuidadosamente elaborado puede hacer que el asistente block_format tarde una cantidad inesperada de tiempo, lo que puede dar como resultado una vulnerabilidad de DoS. Todos los usuarios que ejecuten una versi\u00f3n afectada deben actualizar a las versiones 6.1.7.9, 7.0.8.5, 7.1.4.1 o 7.2.1.1 o aplicar el parche correspondiente de inmediato. Como workaround, los usuarios pueden evitar llamar al asistente `block_format` o actualizar a Ruby 3.2. Ruby 3.2 tiene mitigaciones para este problema, por lo que las aplicaciones Rails que usan Ruby 3.2 o versiones m\u00e1s nuevas no se ven afectadas. Rails 8.0.0.beta1 requiere Ruby 3.2 o superior, por lo que no se ve afectado."}], "id": "CVE-2024-47889", "lastModified": "2026-06-17T07:57:55.660", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-47889", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-17T16:27:30.699423Z", "version": "2.0.3"}}]}, "published": "2024-10-16T21:15:13.320", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rails/rails/commit/0e5694f4d32544532d2301a9b4084eacb6986e94"}, {"source": "security-advisories@github.com", "url": "https://github.com/rails/rails/commit/3612e3eb3fbafed4f85e1c6ea4c7b6addbb0fdd3"}, {"source": "security-advisories@github.com", "url": "https://github.com/rails/rails/commit/985f1923fa62806ff676e41de67c3b4552131ab9"}, {"source": "security-advisories@github.com", "url": "https://github.com/rails/rails/commit/be898cc996986decfe238341d96b2a6573b8fd2e"}, {"source": "security-advisories@github.com", "url": "https://github.com/rails/rails/security/advisories/GHSA-h47h-mwp9-c6q6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "rubygem-actionmailer: Possible ReDoS vulnerability in block_format in Action Mailer", "id": "2319033", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2319033"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-1337", "details": ["Action Mailer is a framework for designing email service layers. Starting in version 3.0.0 and prior to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, and 7.2.1.1, there is a possible ReDoS vulnerability in the block_format helper in Action Mailer. Carefully crafted text can cause the block_format helper to take an unexpected amount of time, possibly resulting in a DoS vulnerability. All users running an affected release should either upgrade to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, or 7.2.1.1 or apply the relevant patch immediately. As a workaround, users can avoid calling the `block_format` helper or upgrade to Ruby 3.2. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected. Rails 8.0.0.beta1 requires Ruby 3.2 or greater so is unaffected.", "A flaw was found in the rubygem actionmailer. Carefully crafted text can cause the block_format helper to take an unexpected amount of time, possibly resulting in a denial of service."], "mitigation": {"lang": "en:us", "value": "Users can avoid calling the block_format helper or upgrade to Ruby 3.2."}, "name": "CVE-2024-47889", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Fix deferred", "package_name": "3scale-amp-system-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "rubygem-actionmailer", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "satellite:el8/rubygem-actionmailer", "product_name": "Red Hat Satellite 6"}], "public_date": "2024-10-15T23:35:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47889\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47889\nhttps://github.com/rails/rails\nhttps://github.com/rails/rails/security/advisories/GHSA-h47h-mwp9-c6q6"], "threat_severity": "Low"}

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