CVE-2016-0739

{"id": "CVE-2016-0739", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "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": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2016-04-13T17:59:08.413", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178058.html", "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178822.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00111.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-0566.html", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2016/dsa-3488", "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/USN-2912-1", "source": "secalert@redhat.com"}, {"url": "https://puppet.com/security/cve/CVE-2016-0739", "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201606-12", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.libssh.org/2016/02/23/libssh-0-7-3-security-and-bugfix-release/", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.libssh.org/security/advisories/CVE-2016-0739.txt", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "libssh before 0.7.3 improperly truncates ephemeral secrets generated for the (1) diffie-hellman-group1 and (2) diffie-hellman-group14 key exchange methods to 128 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a \"bits/bytes confusion bug.\""}, {"lang": "es", "value": "libssh en versiones anteriores a 0.7.3 trunca de manera incorrecta secretos ef\u00edmeros generados para los m\u00e9todos de intercambio de clave (1) diffie-hellman-group1 y (2) diffie-hellman-group14 a 128 bits, lo que hace m\u00e1s f\u00e1cil a atacantes man-in-the-middle descifrar o interceptar sesiones SSH a trav\u00e9s de vectores no especificados, tambi\u00e9n conocido como \"bits/bytes confusion bug\"."}], "lastModified": "2017-12-09T02:29:04.920", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7478A2F8-96FC-4542-9130-3DDA890386BC", "versionEndIncluding": "0.7.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E79AB8DD-C907-4038-A931-1A5A4CFB6A5B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}