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[email protected]CVE-2018-0395

HistoryOct 17, 2018 - 7:29 p.m.

CVE-2018-0395

2018-10-1719:29:00

CWE-20

[email protected]

web.nvd.nist.gov

cisco

fxos

nx-os

vulnerability

lldp

dos

nvd

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

5.3 Medium

AI Score

Confidence

High

2.9 Low

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

43.9%

JSON

A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.

Affected configurations

NVD

Node

cisconx-osMatch6.0\(4\)

cisconx-osMatch6.1\(3\)s2

AND

cisconexus_7000_10-slotMatch-

cisconexus_7000_18-slotMatch-

cisconexus_7000_4-slotMatch-

cisconexus_7000_9-slotMatch-

cisconexus_7700_10-slotMatch-

cisconexus_7700_18-slotMatch-

cisconexus_7700_2-slotMatch-

cisconexus_7700_6-slotMatch-

Node

ciscofirepower_extensible_operating_systemMatchr231

cisconx-osMatchr231

AND

ciscofirepower_9300Match-

Node

cisconx-osMatch12.3\(1e\)

AND

ciscofirepower_9300Match-

Node

cisconx-osMatch3.2\(3d\)c

AND

ciscoucsMatch-

CPENameOperatorVersion
cisco:nx-oscisco nx-oseq6.0\(4\)
cisco:nx-oscisco nx-oseq6.1\(3\)s2

CPE	Name	Operator	Version
cisco:nx-os	cisco nx-os	eq	6.0\(4\)
cisco:nx-os	cisco nx-os	eq	6.1\(3\)s2

CNA Affected

[
  {
    "product": "Cisco NX-OS Software",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "6.2(1)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firepower 4100 Series Next-Generation Firewalls ",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "<2.3.1.58",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.securityfocus.com/bid/105674

www.securitytracker.com/id/1041919

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos

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

5.3 Medium

AI Score

Confidence

High

2.9 Low

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

43.9%

JSON

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