Cisco Network Services Orchestrator up to 4.1 CLI Parser Argument command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco Network Services Orchestrator up to 4.1. This affects an unknown function of the component CLI Parser. The manipulation as part of Argument results in command injection. This vulnerability is identified as CVE-2018-0274. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Network Services Orchestrator up to 4.1. Affected is some unknown functionality of the component CLI Parser. The manipulation as part of a Argument leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the CLI parser of Cisco Network Services Orchestrator (NSO) could allow an authenticated, remote attacker to execute arbitrary shell commands with the privileges of the root user. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting malicious arguments into vulnerable commands. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected system. This vulnerability affects the following releases of Cisco Network Services Orchestrator (NSO): 4.1 through 4.1.6.0, 4.2 through 4.2.4.0, 4.3 through 4.3.3.0, 4.4 through 4.4.2.0. Cisco Bug IDs: CSCvf99982.

The bug was discovered 06/06/2018. The weakness was released 06/07/2018 as cisco-sa-20180606-nso as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2018-0274 since 11/27/2017. It is possible to launch the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/17/2020). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104449†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Cisco

Name

• Network Services Orchestrator

Version

• 4.0
• 4.1

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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CPE 2.2info

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

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