Cisco IOS XE Software Command Injection Vulnerability

high Nessus Plugin ID 128051

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, the Cisco IOS XE Software is affected by a vulnerability that allows an authenticated, local attacker to inject arbitrary commands that are executed with elevated privileges. The vulnerability is due to insufficient input validation of commands supplied by the user. An attacker can exploit this vulnerability by authenticating to a device and submitting specially crafted input to the affected commands. An exploit allows the attacker to gain root privileges on the affected device.

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvj61307

See Also

http://www.nessus.org/u?e8ea3e96

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-71135

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj61307

Plugin Details

Severity: High

ID: 128051

File Name: cisco-sa-20190327-xecmd.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 8/21/2019

Updated: 1/8/2021

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-2019-1745

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:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-1745

BID: 107588

CWE: 78

CISCO-SA: cisco-sa-20190327-xecmd

CISCO-BUG-ID: CSCvj61307