Detections
Analytics
Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability
high Nessus Plugin ID 127110
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level to root. (CVE-2019-1596)Please see the included Cisco BIDs and Cisco Security Advisory for more information
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvj58962, and CSCvk71078See Also
http://www.nessus.org/u?2e5e4b66
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-70757
Plugin Details
Severity: High
ID: 127110
File Name: cisco-sa-20190306-nxos-pe.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-2019-1596
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-2019-1596
BID: 107340