Cisco IOS XE Software Diagnostic Shell Path Traversal Vulnerability (cisco-sa-20180207-ios)

medium Nessus Plugin ID 107091

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the Cisco IOS XE software running on the remote device is affected by a path traversal vulnerability. A flaw exists with the diagnostic shell due to improper validation of diagnostic shell commands. An authenticated attacker, with a specially craft command, could potentially overwrite restricted system files.

Solution

Upgrade to the relevant fixed version referenced in Cisco Security Advisory cisco-sa-20180207-ios.

See Also

http://www.nessus.org/u?73faf25a

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvg41950

Plugin Details

Severity: Medium

ID: 107091

File Name: cisco-sa-20180207-iosxe.nasl

Version: 1.8

Type: local

Family: CISCO

Published: 3/1/2018

Updated: 1/8/2021

Risk Information

CVSS Score Source: CVE-2018-0123

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: 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: 2/7/2018

Vulnerability Publication Date: 2/7/2018

Reference Information

CVE: CVE-2018-0123

BID: 102967

CISCO-BUG-ID: CSCvg41950

CISCO-SA: cisco-sa-20180207-ios

IAVA: 2018-A-0068-S