Cisco IOS XR SCP and SFTP Modules DoS (cisco-sa-20160323-ncs)

medium Nessus Plugin ID 90357

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Synopsis

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

Description

According to its self-reported version, the Cisco IOS XR software running on the remote device is affected by a denial of service vulnerability in the Secure Copy Protocol (SCP) and Secure FTP (SFTP) modules due to insecure permissions on certain files. An authenticated, remote attacker can exploit this to overwrite system files, resulting in a denial of service.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCuw75848.

Plugin Details

Severity: Medium

ID: 90357

File Name: cisco-sa-20160323-ncs.nasl

Version: 1.10

Type: combined

Family: CISCO

Published: 4/6/2016

Updated: 4/8/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2016-1366

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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_xr

Required KB Items: Settings/ParanoidReport, Host/Cisco/IOS-XR/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/23/2016

Vulnerability Publication Date: 3/23/2016

Reference Information

CVE: CVE-2016-1366

CISCO-SA: cisco-sa-20160323-ncs

CISCO-BUG-ID: CSCuw75848

Detections

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