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: 1.5

Type: local

Family: CISCO

Published: 2018/03/01

Modified: 2018/07/09

Dependencies: 67217

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

Temporal Score: 3.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 4.4

Temporal Score: 3.9

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

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 Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/02/07

Vulnerability Publication Date: 2018/02/07

Reference Information

CVE: CVE-2018-0123

BID: 102967

CISCO-BUG-ID: CSCvg41950

CISCO-SA: cisco-sa-20180207-ios

IAVA: 2018-A-0068