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Cisco SD-WAN vEdge Routers DoS (cisco-sa-sdwan-vedge-dos-jerVm4bB)

medium Nessus Plugin ID 159717

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco SD-WAN Viptela Software is affected by a vulnerability.

 - A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition. (CVE-2022-20717)

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 CSCvt55609

See Also

http://www.nessus.org/u?d82e79f2

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt55609

Plugin Details

Severity: Medium

ID: 159717

File Name: cisco-sa-sdwan-vedge-dos-jerVm4bB.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 4/13/2022

Updated: 5/3/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2022-20717

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:N/A:H

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

Vulnerability Information

CPE: cpe:/o:cisco:sd-wan_firmware, x-cpe:/a:cisco:sd-wan_vedge, x-cpe:/a:cisco:vedge_1000_router, x-cpe:/a:cisco:vedge_100_router, x-cpe:/a:cisco:vedge_2000_router, x-cpe:/a:cisco:vedge_5000_router

Required KB Items: Cisco/Viptela/Version, Cisco/Viptela/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2022

Vulnerability Publication Date: 4/13/2022

Reference Information

CVE: CVE-2022-20717