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An exploit could allow the attacker to cause the ClamAV scanning process to scan the crafted email file indefinitely, resulting in a denial of service condition."},{"lang":"es","value":"Una vulnerabilidad en el módulo de análisis de correo electrónico  de Clam AntiVirus (ClamAV) Software versiones 0.102.0, 0.101.4 y anteriores, podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio en un dispositivo afectado. La vulnerabilidad es debido a rutinas de análisis MIME ineficientes que resultan en tiempos de análisis extremadamente largos de archivos de correo electrónico con formato especial. Un atacante podría explotar esta vulnerabilidad enviando un archivo de correo electrónico diseñado hacia un dispositivo afectado. Una explotación podría permitir al atacante causar que el proceso de escaneo de ClamAV escanee el archivo de correo electrónico diseñado indefinidamente, resultando en una condición de denegación de servicio."}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:C","baseScore":7.1,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.6,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*","versionEndIncluding":"0.101.4","matchCriteriaId":"B0BC0A3F-96C6-40A9-8FD7-FA36F7650256"},{"vulnerable":true,"criteria":"cpe:2.3:a:clamav:clamav:0.102.0:*:*:*:*:*:*:*","matchCriteriaId":"38845FB7-5C4A-4E4F-81D2-F3338DEDC2BB"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:email_security_appliance_firmware:11.1.1-042:*:*:*:*:*:*:*","matchCriteriaId":"357904C5-F794-4F22-84A8-9BFDD7801166"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:email_security_appliance_firmware:11.1.2-023:*:*:*:*:*:*:*","matchCriteriaId":"2EECA7F2-8101-445B-A8B3-ACAD1FB6BD8E"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*","matchCriteriaId":"CB66DB75-2B16-4EBF-9B93-CE49D8086E41"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","matchCriteriaId":"815D70A8-47D3-459C-A32C-9FEACA0659D1"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}]}]}],"references":[{"url":"https://bugzilla.clamav.net/show_bug.cgi?id=12380","source":"psirt@cisco.com","tags":["Exploit","Issue Tracking","Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html","source":"psirt@cisco.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010","source":"psirt@cisco.com","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202003-46","source":"psirt@cisco.com","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4230-2/","source":"psirt@cisco.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.clamav.net/show_bug.cgi?id=12380","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202003-46","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4230-2/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}