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{"acknowledgement": "Red Hat would like to thank Eric Windisch (Docker Inc.) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2015:0776", "cpe": "cpe:/a:redhat:rhel_extras_other:7", "package": "docker-0:1.5.0-28.el7", "product_name": "Red Hat Enterprise Linux 7 Extras", "release_date": "2015-04-02T00:00:00Z"}], "bugzilla": {"description": "docker: regression of CVE-2014-5277", "id": "1206443", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1206443"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-300->CWE-494", "details": ["The Red Hat docker package before 1.5.0-28, when using the --add-registry option, falls back to HTTP when the HTTPS connection to the registry fails, which allows man-in-the-middle attackers to conduct downgrade attacks and obtain authentication and image data by leveraging a network position between the client and the registry to block HTTPS traffic. NOTE: this vulnerability exists because of a CVE-2014-5277 regression.", "It was found that the fix for the CVE-2014-5277 issue was incomplete: the docker client could under certain circumstances erroneously fall back to HTTP when an HTTPS connection to a registry failed. This could allow a man-in-the-middle attacker to obtain authentication and image data from traffic sent from a client to the registry."], "name": "CVE-2015-1843", "public_date": "2015-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-1843\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-1843"], "threat_severity": "Moderate", "upstream_fix": "docker-1.5.0 28.el7_1"}