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[email protected]CVE-2018-0303

HistoryJun 21, 2018 - 11:29 a.m.

CVE-2018-0303

2018-06-2111:29:00

CWE-119

CWE-20

[email protected]

web.nvd.nist.gov

cisco

discovery protocol

vulnerability

cisco fxos software

cisco nx-os software

cve-2018-0303

buffer overflow

dos

nvd

security vulnerability

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:L/Au:N/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.9%

JSON

A vulnerability in the Cisco Discovery Protocol component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code as root or cause a denial of service (DoS) condition on the affected device. The vulnerability exists because of insufficiently validated Cisco Discovery Protocol packet headers. An attacker could exploit this vulnerability by sending a crafted Cisco Discovery Protocol packet to a Layer 2 adjacent affected device. A successful exploit could allow the attacker to cause a buffer overflow that could allow the attacker to execute arbitrary code as root or cause a DoS condition on the affected device. This vulnerability affects the following if configured to use Cisco Discovery Protocol: Firepower 4100 Series Next-Generation Firewalls, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvc22202, CSCvc22205, CSCvc22208, CSCvc88078, CSCvc88150, CSCvc88159, CSCvc88162, CSCvc88167.

Affected configurations

NVD

Node

cisconx-osMatch7.0\(0\)hsk\(0.357\)

cisconx-osMatch8.1\(0.2\)s0

cisconx-osMatch8.8\(0.1\)

AND

cisconexus_5000Match-

cisconexus_5010Match-

cisconexus_5020Match-

cisconexus_5548pMatch-

cisconexus_5548upMatch-

cisconexus_5596tMatch-

cisconexus_5596upMatch-

cisconexus_56128pMatch-

cisconexus_5624qMatch-

cisconexus_5648qMatch-

cisconexus_5672upMatch-

cisconexus_5696qMatch-

Node

cisconx-osMatch8.0\(1\)

AND

cisconexus_7000Match-

cisconexus_7700Match-

Node

cisconx-osMatch8.8\(3.5\)s0

AND

cisconexus_92160yc-xMatch-

cisconexus_92304qcMatch-

cisconexus_9236cMatch-

cisconexus_9272qMatch-

cisconexus_93108tc-exMatch-

cisconexus_93120txMatch-

cisconexus_93128txMatch-

cisconexus_93180yc-exMatch-

cisconexus_9332pqMatch-

cisconexus_9372pxMatch-

cisconexus_9372txMatch-

cisconexus_9396pxMatch-

cisconexus_9396txMatch-

cisconexus_9504Match-

cisconexus_9508Match-

cisconexus_9516Match-

cisconexus_n9k-c9508-fm-rMatch-

cisconexus_n9k-x9636c-rMatch-

cisconexus_n9k-x9636q-rMatch-

Node

cisconx-osMatch7.0\(3\)i4\(7\)

cisconx-osMatch7.0\(3\)i7\(1\)

AND

cisconexus_172tq-xlMatch-

cisconexus_3016Match-

cisconexus_3048Match-

cisconexus_3064-32tMatch-

cisconexus_3064-tMatch-

cisconexus_3064-xMatch-

cisconexus_3100-vMatch-

cisconexus_31128pqMatch-

cisconexus_3132c-zMatch-

cisconexus_3132qMatch-

cisconexus_3132q-xMatch-

cisconexus_3132q-xlMatch-

cisconexus_3164qMatch-

cisconexus_3172pqMatch-

cisconexus_3172pq-xlMatch-

cisconexus_3172tqMatch-

cisconexus_3172tq-32tMatch-

cisconexus_3232cMatch-

cisconexus_3264c-eMatch-

cisconexus_3264qMatch-

cisconexus_34180ycMatch-

cisconexus_3524-xMatch-

cisconexus_3524-xlMatch-

cisconexus_3548Match-

cisconexus_3548-xMatch-

cisconexus_3548-xlMatch-

cisconexus_3636c-rMatch-

cisconexus_c36180yc-rMatch-

Node

cisconx-osMatch7.0\(0\)hsk\(0.357\)

cisconx-osMatch8.1\(0.2\)s0

cisconx-osMatch8.8\(0.1\)

AND

cisconexus_2148tMatch-

cisconexus_2224tp_geMatch-

cisconexus_2232pp_10geMatch-

cisconexus_2232tm-e_10geMatch-

cisconexus_2232tm_10geMatch-

cisconexus_2248pq_10geMatch-

cisconexus_2248tp-eMatch-

cisconexus_2248tp_geMatch-

Node

cisconx-osMatch7.0\(0\)hsk\(0.357\)

cisconx-osMatch8.1\(0.2\)s0

cisconx-osMatch8.8\(0.1\)

AND

cisconexus_6001pMatch-

cisconexus_6001tMatch-

Node

cisconx-osMatch3.1\(3a\)a

AND

ciscoucs_6120xpMatch-

ciscoucs_6140xpMatch-

ciscoucs_6248upMatch-

ciscoucs_6296upMatch-

ciscoucs_6324Match-

ciscoucs_6332Match-

Node

ciscofirepower_extensible_operating_systemRange1.1–1.1.4.179

ciscofirepower_extensible_operating_systemRange2.0–2.0.1.153

ciscofirepower_extensible_operating_systemRange2.1.1–2.1.1.86

ciscofirepower_extensible_operating_systemRange2.2.1–2.2.1.70

ciscofirepower_extensible_operating_systemRange2.2.2–2.2.2.17

AND

ciscofirepower_4110Match-

ciscofirepower_4120Match-

ciscofirepower_4140Match-

ciscofirepower_4150Match-

Node

ciscofirepower_extensible_operating_systemRange1.1–1.1.4.179

ciscofirepower_extensible_operating_systemRange2.0–2.0.1.153

ciscofirepower_extensible_operating_systemRange2.1.1–2.1.1.86

ciscofirepower_extensible_operating_systemRange2.2.1–2.2.1.70

ciscofirepower_extensible_operating_systemRange2.2.2–2.2.2.17

AND

ciscofirepower_9300_security_applianceMatch-

CPENameOperatorVersion
cisco:nx-oscisco nx-oseq7.0\(0\)hsk\(0.357\)
cisco:nx-oscisco nx-oseq8.1\(0.2\)s0
cisco:nx-oscisco nx-oseq8.8\(0.1\)

CPE	Name	Operator	Version
cisco:nx-os	cisco nx-os	eq	7.0\(0\)hsk\(0.357\)
cisco:nx-os	cisco nx-os	eq	8.1\(0.2\)s0
cisco:nx-os	cisco nx-os	eq	8.8\(0.1\)

CNA Affected

[
  {
    "product": "Cisco FXOS and NX-OS unknown",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco FXOS and NX-OS unknown"
      }
    ]
  }
]

References

www.securitytracker.com/id/1041169

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-fxnxos-dos

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:L/Au:N/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.9%

JSON

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