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WID-SEC-W-2024-2225
Vulnerability from csaf_certbund - Published: 2024-09-25 22:00 - Updated: 2024-09-25 22:00Summary
Cisco SD-WAN: Schwachstelle ermöglicht Denial of Service
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Cisco SD-WAN ist ein Software-definierter Ansatz für die Verwaltung von Wide Area Networks.
Angriff
Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in Cisco SD-WAN ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Sonstiges
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"text": "Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in Cisco SD-WAN ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
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"title": "Cisco SD-WAN: Schwachstelle erm\u00f6glicht Denial of Service",
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"category": "product_version_range",
"name": "vEdge Software \u003c20.6.6",
"product": {
"name": "Cisco SD-WAN vEdge Software \u003c20.6.6",
"product_id": "T037833"
}
},
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"vulnerabilities": [
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"cve": "CVE-2024-20496",
"notes": [
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"category": "description",
"text": "Es besteht eine Schwachstelle in der Cisco SD-WAN vEdge Software. Dieser Fehler besteht aufgrund einer nicht ordnungsgem\u00e4\u00dfen Validierung von fehlerhaften UDP-Paketen, was zu einem Neustart des Ger\u00e4ts f\u00fchrt. Ein Angreifer aus einem benachbarten Netzwerk kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, indem er speziell gestaltete UDP-Pakete sendet."
}
],
"product_status": {
"known_affected": [
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"title": "CVE-2024-20496"
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]
}
CVE-2024-20496 (GCVE-0-2024-20496)
Vulnerability from cvelistv5 – Published: 2024-09-25 16:20 – Updated: 2024-09-25 18:36
VLAI?
EPSS
Summary
A vulnerability in the UDP packet validation code of Cisco SD-WAN vEdge Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system.
This vulnerability is due to incorrect handling of a specific type of malformed UDP packet. An attacker in a machine-in-the-middle position could exploit this vulnerability by sending crafted UDP packets to an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition on the affected system.
Severity ?
6.1 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco SD-WAN vEdge Cloud |
Affected:
19.2.1
Affected: 20.1.12 Affected: 18.4.4 Affected: 19.3.0 Affected: 18.3.8 Affected: 19.2.2 Affected: 20.1.1 Affected: 18.3.6 Affected: 18.4.3 Affected: 18.4.302 Affected: 18.4.5 Affected: 18.4.303 Affected: 19.2.098 Affected: 19.1.0 Affected: 19.0.1a Affected: 19.2.099 Affected: 18.3.7 Affected: 19.2.097 Affected: 18.3.1 Affected: 19.2.0 Affected: 18.3.4 Affected: 18.2.0 Affected: 18.4.1 Affected: 18.4.0 Affected: 18.3.5 Affected: 18.3.3 Affected: 18.3.0 Affected: 19.2.3 Affected: 20.3.1 Affected: 20.1.2 Affected: 19.2.929 Affected: 19.2.31 Affected: 20.3.2 Affected: 19.2.32 Affected: 18.4.6 Affected: 20.4.1 Affected: 19.2.4 Affected: 20.4.1.1 Affected: 20.3.3 Affected: 20.5.1 Affected: 20.1.3 Affected: 20.4.1.2 Affected: 20.4.2 Affected: 20.3.4 Affected: 20.6.1 Affected: 20.6.2 Affected: 20.7.1 Affected: 20.3.5 Affected: 20.6.3 Affected: 20.8.1 Affected: 20.7.2 Affected: 20.6.4 Affected: 20.9.1 Affected: 20.3.6 Affected: 20.9.1.1 Affected: 20.9.2 Affected: 20.6.5 Affected: 20.3.7 Affected: 20.9.3 Affected: 20.4.2.3 Affected: 20.3.4.3 Affected: 20.6.4.1 Affected: 20.6.3.2 Affected: 20.3.5.1 Affected: 20.9.3.1 Affected: 20.6.5.2 Affected: 20.3.7.1 Affected: 20.3.3.2 Affected: 20.6.1.2 Affected: 20.1.3.1 Affected: 20.9.2.2 Affected: 20.6.5.3 Affected: 20.6.3.3 Affected: 20.3.7.2 Affected: 20.6.5.4 Affected: 20.9.2.3 Affected: 20.3.8 |
|||||||
|
|||||||||
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"status": "affected",
"version": "18.4.4"
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{
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{
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"version": "20.4.2.3"
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"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "20.3.3.2"
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{
"status": "affected",
"version": "20.6.1.2"
},
{
"status": "affected",
"version": "20.1.3.1"
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{
"status": "affected",
"version": "20.9.2.2"
},
{
"status": "affected",
"version": "20.6.5.3"
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{
"status": "affected",
"version": "20.6.3.3"
},
{
"status": "affected",
"version": "20.3.7.2"
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{
"status": "affected",
"version": "20.6.5.4"
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{
"status": "affected",
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{
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"version": "19.2.929"
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{
"status": "affected",
"version": "20.3.2"
},
{
"status": "affected",
"version": "19.2.32"
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{
"status": "affected",
"version": "18.4.6"
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"version": "20.3.5.1"
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"version": "20.6.1.2"
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"version": "20.9.2.2"
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"version": "20.1.3.1"
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"status": "affected",
"version": "20.6.5.3"
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"version": "20.6.3.3"
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{
"status": "affected",
"version": "20.3.7.2"
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{
"status": "affected",
"version": "20.6.5.4"
},
{
"status": "affected",
"version": "20.9.2.3"
},
{
"status": "affected",
"version": "20.3.8"
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]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the UDP packet validation code of Cisco SD-WAN vEdge Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system.\r\n\r\nThis vulnerability is due to incorrect handling of a specific type of malformed UDP packet. An attacker in a machine-in-the-middle position could exploit this vulnerability by sending crafted UDP packets to an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition on the affected system."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "Out-of-bounds Write",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-09-25T16:20:12.079Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sdw-vedos-KqFfhps3",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-vedos-KqFfhps3"
}
],
"source": {
"advisory": "cisco-sa-sdw-vedos-KqFfhps3",
"defects": [
"CSCwd85135"
],
"discovery": "EXTERNAL"
},
"title": "Cisco SD-WAN vEdge Routers Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2024-20496",
"datePublished": "2024-09-25T16:20:12.079Z",
"dateReserved": "2023-11-08T15:08:07.686Z",
"dateUpdated": "2024-09-25T18:36:07.489Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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