Cisco StarOS IPv4 DoS (cisco-sa-asr-mem-leak-dos-MTWGHKk3)

high Nessus Plugin ID 145513

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Synopsis

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

Description

According to its self-reported version, Cisco StarOS Software is affected by a denial of service (DoS) vulnerability due to a memory leak that occurs during packet processing. An unauthenticated, remote attacker can exploit this, by sending a series of crafted IPv4 packets, in order to cause an unexpected restart of the npusim process, resulting in a DoS condition.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvq83868, CSCvv69023

Plugin Details

Severity: High

ID: 145513

File Name: cisco-sa-asr-mem-leak-dos-MTWGHKk3.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 1/28/2021

Updated: 2/3/2022

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2021-1353

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/o:cisco:asr_5000_series, cpe:/o:cisco:staros

Required KB Items: Settings/ParanoidReport, Host/Cisco/StarOS, Host/Cisco/StarOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2021

Vulnerability Publication Date: 1/20/2021

Reference Information

CVE: CVE-2021-1353

CWE: 401

CISCO-SA: cisco-sa-asr-mem-leak-dos-MTWGHKk3

IAVA: 2021-A-0046-S

CISCO-BUG-ID: CSCvq83868, CSCvv69023

Detections

Analytics