cve-2016-5420
Vulnerability from cvelistv5
Published
2016-08-10 14:00
Modified
2024-08-06 01:01
Severity ?
Summary
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.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-09/msg00094.htmlThird Party Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2016-2575.html
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2016-2957.html
secalert@redhat.comhttp://www.debian.org/security/2016/dsa-3638Third Party Advisory
secalert@redhat.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
secalert@redhat.comhttp://www.securityfocus.com/bid/92309
secalert@redhat.comhttp://www.securitytracker.com/id/1036537
secalert@redhat.comhttp://www.securitytracker.com/id/1036739
secalert@redhat.comhttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3048-1
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3558
secalert@redhat.comhttps://curl.haxx.se/docs/adv_20160803B.htmlMitigation, Patch, Vendor Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
secalert@redhat.comhttps://security.gentoo.org/glsa/201701-47
secalert@redhat.comhttps://source.android.com/security/bulletin/2016-12-01.html
secalert@redhat.comhttps://www.tenable.com/security/tns-2016-18
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2016-5420\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-08-10T14:59:05.080\",\"lastModified\":\"2023-11-07T02:33:39.770\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"curl y libcurl en versiones anteriores a 7.50.1 no verifica el certificado de cliente cuando se est\u00e1 escogiendo la conexi\u00f3n TLS para reutilizar, lo que podr\u00eda permitir a atacantes remotos secuestrar la autenticaci\u00f3n de la conexi\u00f3n aprovechando una conexi\u00f3n previamente creada con un certificado de cliente diferente.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"7.50.0\",\"matchCriteriaId\":\"D7D7843C-D4F4-4C0A-A919-9000E00637B6\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4863BE36-D16A-4D75-90D9-FD76DB5B48B7\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2575.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2957.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3638\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/92309\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id/1036537\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id/1036739\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.563059\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-3048-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3558\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://curl.haxx.se/docs/adv_20160803B.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mitigation\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security.gentoo.org/glsa/201701-47\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://source.android.com/security/bulletin/2016-12-01.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.tenable.com/security/tns-2016-18\",\"source\":\"secalert@redhat.com\"}]}}"
  }
}


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