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anteriores a 11.3-RELEASE-p6, el manejo de URL en libfetch con URLs que contienen componentes de nombre de usuario y/o contraseña es vulnerable a un desbordamiento del búfer, que permite un comportamiento inapropiado del programa o una ejecución de código malicioso."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*","matchCriteriaId":"F35957CE-AF9F-40CA-BDD1-FA6A0E73783F"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*","matchCriteriaId":"EA929713-B797-494A-853D-C121D9D69519"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*","matchCriteriaId":"3C3D8EDC-91D3-45B2-AC1D-EF4346D4A714"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*","matchCriteriaId":"EA5006FF-06A5-4D95-BF5B-29F26248D11F"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*","matchCriteriaId":"A705031B-FD63-4076-B92E-E826E11D7111"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*","matchCriteriaId":"11C1EFB1-68E5-45F4-A7E1-744574F290D1"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*","matchCriteriaId":"826B53C2-517F-4FC6-92E8-E7FCB24F91B4"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*","matchCriteriaId":"93F10A46-AEF2-4FDD-92D6-0CF07B70F986"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p10:*:*:*:*:*:*","matchCriteriaId":"8C7B8FCA-2170-469A-B6D6-2C6AB254F20F"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p11:*:*:*:*:*:*","matchCriteriaId":"E94067A1-5C68-4401-A7B6-29B4FE553733"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p12:*:*:*:*:*:*","matchCriteriaId":"87EE567B-7604-41CC-B0A7-B51255D4C240"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*","matchCriteriaId":"E1AD57A9-F53A-4E40-966E-F2F50852C5E4"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*","matchCriteriaId":"C4029113-130F-4A33-A8A0-BC3E74000378"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:*","matchCriteriaId":"46C5A6FD-7BBF-4E84-9895-8EE14DC846E4"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p6:*:*:*:*:*:*","matchCriteriaId":"882669AB-BCFC-4517-A3E9-33D344F1ED0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p7:*:*:*:*:*:*","matchCriteriaId":"BC3D24FB-50A2-4E37-A479-AF21F8ECD706"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p8:*:*:*:*:*:*","matchCriteriaId":"3070787D-76E1-4671-B99D-213F7103B3A2"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.0:p9:*:*:*:*:*:*","matchCriteriaId":"0140276F-9C31-4B5C-A5AC-DE0EBB885275"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*","matchCriteriaId":"BD730B6A-F123-4685-ACB3-4F20AAAB77F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*","matchCriteriaId":"508150E3-2C0C-4EEB-BFC9-BB5CEB404C06"}]}]}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc","source":"secteam@freebsd.org","tags":["Patch","Vendor 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