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"https://www.samba.org/samba/security/CVE-2015-5296.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Samba project for reporting this issue. Upstream acknowledges Sernet.de and Stefan Metzmacher (Samba Team) as the original reporters.", "affected_release": [{"advisory": "RHSA-2016:0010", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "samba4-0:4.0.0-67.el6_7.rc4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-01-07T00:00:00Z"}, {"advisory": "RHSA-2016:0011", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "samba-0:3.6.23-24.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-01-07T00:00:00Z"}, {"advisory": "RHSA-2016:0006", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "samba-0:4.2.3-11.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-01-08T00:00:00Z"}, {"advisory": "RHSA-2016:0015", "cpe": "cpe:/a:redhat:storage:3.1:samba:el6", "package": "samba-0:4.1.17-16.el6rhs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 6", "release_date": "2016-01-08T00:00:00Z"}, {"advisory": "RHSA-2016:0016", "cpe": "cpe:/a:redhat:storage:3.1:samba:el7", "package": "samba-0:4.2.4-9.1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.1 for RHEL 7", "release_date": "2016-01-08T00:00:00Z"}], "bugzilla": {"description": "samba: client requesting encryption vulnerable to downgrade attack", "id": "1290292", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-345", "details": ["Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.", "A man-in-the-middle vulnerability was found in the way \"connection signing\" was implemented by Samba. A remote attacker could use this flaw to downgrade an existing Samba client connection and force the use of plain text."], "name": "CVE-2015-5296", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "samba3x", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2015-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-5296\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-5296\nhttps://www.samba.org/samba/security/CVE-2015-5296.html"], "threat_severity": "Moderate", "upstream_fix": "samba 4.1.22, samba 4.2.7, samba 4.3.3"}