fkie_cve-2018-0155
Vulnerability from fkie_nvd
Published
2018-03-28 22:29
Modified
2025-01-27 20:10
Severity ?
Summary
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system. This vulnerability affects Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5), Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| psirt@cisco.com | http://www.securityfocus.com/bid/103565 | Third Party Advisory, VDB Entry | |
| psirt@cisco.com | http://www.securitytracker.com/id/1040587 | Third Party Advisory, VDB Entry | |
| psirt@cisco.com | https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 | Third Party Advisory, US Government Resource | |
| psirt@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/103565 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1040587 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd | Vendor Advisory |
Impacted products
{
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"cisaExploitAdd": "2022-03-03",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system. This vulnerability affects Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5), Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729."
},
{
"lang": "es",
"value": "Una vulnerabilidad en la implementaci\u00f3n de la descarga Bidirectional Forwarding Detection (BFD) de Cisco Catalyst 4500 Series Switches y Cisco Catalyst 4500-X Series Switches podr\u00eda permitir que un atacante remoto no autenticado provoque el cierre inesperado del proceso iosd, lo que provocar\u00eda una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se debe a la gesti\u00f3n insuficiente de errores cuando la cabecera BFD de un paquete BFD est\u00e1 incompleta. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un mensaje BFD manipulado a un switch afectado o a trav\u00e9s de \u00e9l. Un exploit con \u00e9xito podr\u00eda permitir que el atacante cause el reinicio del sistema. Esta vulnerabilidad afecta a Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5) y Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729."
}
],
"id": "CVE-2018-0155",
"lastModified": "2025-01-27T20:10:19.450",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
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"source": "nvd@nist.gov",
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},
"published": "2018-03-28T22:29:00.420",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
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{
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"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-388"
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"source": "psirt@cisco.com",
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}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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