Cisco IOS XE Software SD WAN Arbitrary File Overwrite (cisco-sa-sd-wan-GjR5pGOm)

high Nessus Plugin ID 153562

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability.

- A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to improper access controls on files within the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on an affected device. (CVE-2021-1612)

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 CSCvt63238

See Also

http://www.nessus.org/u?ea29dee5

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74581

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt63238

Plugin Details

Severity: High

ID: 153562

File Name: cisco-sa-sd-wan-GjR5pGOm-iosxe.nasl

Version: 1.12

Type: combined

Family: CISCO

Published: 9/22/2021

Updated: 9/28/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 4.9

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

CVSS Score Source: CVE-2021-1612

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/SDWAN/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/22/2021

Vulnerability Publication Date: 9/22/2021

Reference Information

CVE: CVE-2021-1612

CWE: 61

CISCO-SA: cisco-sa-sd-wan-GjR5pGOm

IAVA: 2021-A-0441-S

CISCO-BUG-ID: CSCvt63238