CVE-2016-0772

{"id": "CVE-2016-0772", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.2, "exploitabilityScore": 2.2}]}, "published": "2016-09-02T14:59:00.127", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1626.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1627.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1628.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1629.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1630.html", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/06/14/9", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/91225", "source": "secalert@redhat.com"}, {"url": "http://www.splunk.com/view/SP-CAAAPSV", "source": "secalert@redhat.com"}, {"url": "http://www.splunk.com/view/SP-CAAAPUE", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1303647", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5", "tags": ["Release Notes"], "source": "secalert@redhat.com"}, {"url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2", "tags": ["Release Notes"], "source": "secalert@redhat.com"}, {"url": "https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS", "tags": ["Release Notes"], "source": "secalert@redhat.com"}, {"url": "https://hg.python.org/cpython/rev/b3ce713fb9be", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "https://hg.python.org/cpython/rev/d590114c2394", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html", "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201701-18", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\""}, {"lang": "es", "value": "La librer\u00eda smtplib en CPython (tambi\u00e9n conocido como Python) en versiones anteriores a 2.7.12, 3.x en versiones anteriores a 3.4.5 y 3.5.x en versiones anteriores a 3.5.2 no devuelve un error cuando StartTLS falla, lo que podr\u00eda permitir a atacantes man-in-the-middle eludir las protecciones TLS mediante el aprovechamiento de una posici\u00f3n de red entre el cliente y el registro para bloquear el comando StartTLS, tambi\u00e9n conocido como un \"ataque de decapado StartTLS\"."}], "lastModified": "2019-02-09T11:29:00.307", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:3.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE44C8E0-6B74-46F8-A648-DEAF6576A960"}, {"criteria": "cpe:2.3:a:python:python:3.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF1E2B75-A884-4E41-92D0-371ED1B224C9"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC0C702F-59E0-40AB-BA95-8F0803AB0550"}, {"criteria": "cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3190C547-7230-476C-A43F-641FE7B891EB"}, {"criteria": "cpe:2.3:a:python:python:3.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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