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{"advisory": "RHSA-2018:3558", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "httpd24-nghttp2-0:1.7.1-7.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2018-11-13T00:00:00Z"}], "bugzilla": {"description": "curl: Re-using connection with wrong client cert", "id": "1362190", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362190"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "status": "verified"}, "cvss3": {"cvss3_base_score": "4.2", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.", "It was found that the libcurl library did not check the client certificate when choosing the TLS connection to reuse. An attacker could potentially use this flaw to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate."], "name": "CVE-2016-5420", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:1.0", "fix_state": "Out of support scope", "package_name": "rh-dotnetcore10-curl", "product_name": ".NET Core 1.0 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:1.1", "fix_state": "Out of support scope", "package_name": "rh-dotnetcore11-curl", "product_name": ".NET Core 1.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:2.0", "fix_state": "Out of support scope", "package_name": "rh-dotnet20-curl", "product_name": ".NET Core 2.0 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:2.1", "fix_state": "Will not fix", "package_name": "rh-dotnet21-curl", "product_name": ".NET Core 2.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_linux:7::hypervisor", "fix_state": "Will not fix", "package_name": "mingw-virt-viewer", "product_name": "Red Hat Enterprise Virtualization 3"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Affected", "package_name": "curl", "product_name": "Red Hat JBoss Enterprise Web Server 3"}], "public_date": "2016-08-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5420\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5420\nhttps://curl.haxx.se/docs/adv_20160803B.html"], "threat_severity": "Low", "upstream_fix": "curl 7.50.1"}