{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-25T12:18:07.259","vulnerabilities":[{"cve":{"id":"CVE-2018-10903","sourceIdentifier":"secalert@redhat.com","published":"2018-07-30T16:29:00.283","lastModified":"2024-11-21T03:42:16.003","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in python-cryptography versions between >=1.9.0 and <2.3. The finalize_with_tag API did not enforce a minimum tag length. If a user did not validate the input length prior to passing it to finalize_with_tag an attacker could craft an invalid payload with a shortened tag (e.g. 1 byte) such that they would have a 1 in 256 chance of passing the MAC check. GCM tag forgeries can cause key leakage."},{"lang":"es","value":"Se ha encontrado un error en python-cryptography, desde la versión 1.9.0 hasta la 2.3. La API finalize_with_tag no forzaba una longitud de etiqueta mínima. Si un usuario no validaba la longitud de la entrada antes de pasarla a finalize_with_tag, un atacante podría manipular una carga útil no válida con una etiqueta acortada (p.ej., 1 byte) para así tener 1 posibilidad entre 256 de pasar la comprobación MAC. Las falsificaciones de etiquetas GCM pueden provocar un filtrado de claves."}],"metrics":{"cvssMetricV30":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cryptography:python-cryptography:*:*:*:*:*:*:*:*","versionStartIncluding":"1.9.0","versionEndExcluding":"2.3","matchCriteriaId":"0D920298-3A63-41D5-A65F-C7DE174A306B"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*","matchCriteriaId":"704CFA1A-953E-4105-BFBE-406034B83DED"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}]}]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:3600","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10903","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/pyca/cryptography/pull/4342/commits/688e0f673bfbf43fa898994326c6877f00ab19ef","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://usn.ubuntu.com/3720-1/","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:3600","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10903","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/pyca/cryptography/pull/4342/commits/688e0f673bfbf43fa898994326c6877f00ab19ef","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://usn.ubuntu.com/3720-1/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}