CVE-2018-15372
Vulnerability from cvelistv5
Published
2018-10-05 14:00
Modified
2024-09-17 01:40
Severity ?
EPSS score ?
Summary
Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
ykramarz@cisco.com | http://www.securityfocus.com/bid/105416 | Third Party Advisory, VDB Entry | |
ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco IOS XE Software |
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The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-284", "description": "CWE-284", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2018-10-07T09:57:02", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20180926 Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec" }, { "name": "105416", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/105416" } ], "source": { "advisory": "cisco-sa-20180926-macsec", "defect": [ [ "CSCvh09411" ] ], "discovery": "UNKNOWN" }, "title": "Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2018-09-26T16:00:00-0500", "ID": "CVE-2018-15372", "STATE": "PUBLIC", "TITLE": "Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco IOS XE Software", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network." } ] }, "impact": { "cvss": { "baseScore": "6.5", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-284" } ] } ] }, "references": { "reference_data": [ { "name": "20180926 Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec" }, { "name": "105416", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105416" } ] }, "source": { "advisory": "cisco-sa-20180926-macsec", "defect": [ [ "CSCvh09411" ] ], "discovery": "UNKNOWN" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-15372", "datePublished": "2018-10-05T14:00:00Z", "dateReserved": "2018-08-17T00:00:00", "dateUpdated": "2024-09-17T01:40:56.285Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2018-15372\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2018-10-05T14:29:06.327\",\"lastModified\":\"2019-10-09T23:35:28.483\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la funcionalidad MACsec Key Agreement (MKA) empleando Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) de Cisco IOS XE Software podr\u00eda permitir que un atacante adyacente sin autenticar omita la autenticaci\u00f3n y pase tr\u00e1fico a trav\u00e9s de una interfaz Layer 3 de un dispositivo afectado. La vulnerabilidad se debe a un error de l\u00f3gica en el software afectado. Un atacante podr\u00eda explotar esta vulnerabilidad conect\u00e1ndose y pasando tr\u00e1fico mediante una interfaz Layer 3 de un dispositivo afectado, si dicha interfaz est\u00e1 configurada para MKA MACsec utilizando EAP-TLS y se est\u00e1 ejecutando en modo \\\"access-session closed\\\". Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante omita los controles de acceso de red 802.1x y obtenga acceso a la red.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:P/I:P/A:N\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.5,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"57D4F634-03D5-4D9F-901C-7E9CE45F2F38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"119A964D-ABC8-424D-8097-85B832A833BD\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/105416\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.