Cisco NX-OS Software Unauthorized Filesystem Access Vulnerability

high Nessus Plugin ID 127111

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to gain read and write access to a critical configuration file. The vulnerability is due to a failure to impose strict filesystem permissions on the targeted device. An attacker could exploit this vulnerability by accessing and modifying restricted files. A successful exploit could allow an attacker to use the content of this configuration file to bypass authentication and log in as any user of the device. (CVE-2019-1601)

Please see the included Cisco BIDs and Cisco Security Advisory for more information

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvi42317, CSCvi42331, CSCvi96476, CSCvi96478, and/or CSCvi96486

Plugin Details

Severity: High

ID: 127111

File Name: cisco-sa-20190306-nxos-file-access.nasl

Version: 1.5

Type: combined

Family: CISCO

Published: 7/30/2019

Updated: 12/20/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-1601

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os

Required KB Items: Host/Cisco/NX-OS/Version, Host/Cisco/NX-OS/Model, Host/Cisco/NX-OS/Device

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2019

Vulnerability Publication Date: 3/6/2019

Reference Information

CVE: CVE-2019-1601

BID: 107404

CWE: 284

CISCO-SA: cisco-sa-20190306-nxos-file-access

CISCO-BUG-ID: CSCvi42317, CSCvi42331, CSCvi96476, CSCvi96478, CSCvi96486

Detections

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