{ "CVE_data_meta" : { "ASSIGNER" : "secalert@redhat.com", "ID" : "CVE-2016-0739", "STATE" : "PUBLIC" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "n/a", "version" : { "version_data" : [ { "version_value" : "n/a" } ] } } ] }, "vendor_name" : "n/a" } ] } }, "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "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.\"" } ] }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "n/a" } ] } ] }, "references" : { "reference_data" : [ { "name" : "https://www.libssh.org/2016/02/23/libssh-0-7-3-security-and-bugfix-release/", "refsource" : "CONFIRM", "url" : "https://www.libssh.org/2016/02/23/libssh-0-7-3-security-and-bugfix-release/" }, { "name" : "https://www.libssh.org/security/advisories/CVE-2016-0739.txt", "refsource" : "CONFIRM", "url" : "https://www.libssh.org/security/advisories/CVE-2016-0739.txt" }, { "name" : "https://puppet.com/security/cve/CVE-2016-0739", "refsource" : "CONFIRM", "url" : "https://puppet.com/security/cve/CVE-2016-0739" }, { "name" : "DSA-3488", "refsource" : "DEBIAN", "url" : "http://www.debian.org/security/2016/dsa-3488" }, { "name" : "FEDORA-2016-d9f950c779", "refsource" : "FEDORA", "url" : "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178058.html" }, { "name" : "FEDORA-2016-dc9e8da03c", "refsource" : "FEDORA", "url" : "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178822.html" }, { "name" : "GLSA-201606-12", "refsource" : "GENTOO", "url" : "https://security.gentoo.org/glsa/201606-12" }, { "name" : "RHSA-2016:0566", "refsource" : "REDHAT", "url" : "http://rhn.redhat.com/errata/RHSA-2016-0566.html" }, { "name" : "openSUSE-SU-2016:0880", "refsource" : "SUSE", "url" : "http://lists.opensuse.org/opensuse-updates/2016-03/msg00111.html" }, { "name" : "USN-2912-1", "refsource" : "UBUNTU", "url" : "http://www.ubuntu.com/usn/USN-2912-1" } ] } }