VDB-121922 · CVE-2018-0349 · BID 104854

Cisco SD-WAN Solution up to 18.2.x CLI Command input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco SD-WAN Solution up to 18.2.x. This impacts an unknown function of the component CLI. Such manipulation as part of Command leads to input validation. This vulnerability is uniquely identified as CVE-2018-0349. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco SD-WAN Solution up to 18.2.x. It has been rated as critical. Affected by this issue is an unknown part of the component CLI. The manipulation as part of a Command leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity, and availability. CVE summarizes:

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper input validation of the request admin-tech command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the request admin-tech command in the CLI of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying operating system of an affected device and escalate their privileges to the root user. This vulnerability affects the following Cisco products if they are running a release of the Cisco SD-WAN Solution prior to Release 18.3.0: vBond Orchestrator Software, vEdge 100 Series Routers, vEdge 1000 Series Routers, vEdge 2000 Series Routers, vEdge 5000 Series Routers, vEdge Cloud Router Platform, vManage Network Management Software, vSmart Controller Software. Cisco Bug IDs: CSCvi69852, CSCvi69856.

The bug was discovered 07/18/2018. The weakness was disclosed 07/18/2018 with Cisco as cisco-sa-20180718-sdwan-fo as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2018-0349 since 11/27/2017. The attack may be launched remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 18.3.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104854†). The entries VDB-121924, VDB-121923, VDB-121921 and VDB-121920 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Network Management Software

Vendor

Cisco

Name

SD-WAN Solution

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: SD-WAN Solution 18.3.0

Timelineinfo

11/27/2017 🔍
07/18/2018 +232 days 🔍
07/18/2018 +0 days 🔍
07/18/2018 +0 days 🔍
07/18/2018 +0 days 🔍
07/19/2018 +1 days 🔍
03/08/2020 +598 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180718-sdwan-fo
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0349 (🔍)
GCVE (CVE): GCVE-0-2018-0349
GCVE (VulDB): GCVE-100-121922
SecurityFocus: 104854 - Cisco SD-WAN CVE-2018-0349 Arbitrary File Overwrite Vulnerability

See also: 🔍

Entryinfo

Created: 07/19/2018 09:33
Updated: 03/08/2020 12:02
Changes: 07/19/2018 09:33 (64), 03/08/2020 12:02 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.