Cisco IOS XR Software netconf DoS (cisco-sa-20180502-iosxr)

medium Nessus Plugin ID 133265

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XR Software is affected by a denial of service (DoS) vulnerability in the netconf interface due to improper handling of malformed requests. An unauthenticated, remote attacker can exploit this, by sending malicious requests to the affected software, in order to cause the targeted process to restart and a DoS condition on the affected system.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvg95792

See Also

http://www.nessus.org/u?940111af

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvg95792

Plugin Details

Severity: Medium

ID: 133265

File Name: cisco-sa-20180502-iosxr.nasl

Version: 1.6

Type: combined

Family: CISCO

Published: 1/28/2020

Updated: 4/8/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-0286

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/2/2018

Vulnerability Publication Date: 5/2/2018

Reference Information

CVE: CVE-2018-0286

BID: 104083

CISCO-SA: cisco-sa-20180502-iosxr

CISCO-BUG-ID: CSCvg95792