VMware fixed SD-WAN flaws that could allow hackers to target enterprise networks

VMware addressed six vulnerabilities in its SD-WAN Orchestrator product that can potentially expose enterprise networks to hack.

VMware last week addressed six vulnerabilities (CVE-2020-3984, CVE-2020-3985, CVE-2020-4000, CVE-2020-4001, CVE-2020-4002, CVE-2020-4003) in its SD-WAN Orchestrator product, including some issues that can be chained by an attacker to hijack traffic or shut down an enterprise network.

The following vulnerabilities have been reported by Ariel Tempelhof of Realmode Labs, they can be chained by remote unauthenticated attackers to achieve remote code execution.

  • The SQL injection vulnerability in SD-WAN Orchestrator, tracked as CVE-2020-3984, is caused by improper input validation. The flaw can be exploited by an authenticated SD-WAN Orchestrator user via a vulnerable API call using specially crafted SQL queries which may lead to unauthorized data access.
  • A Directory traversal file execution in SD-WAN Orchestrator, tracked as CVE-2020-4000, allows for executing files through directory traversal.
  • A default passwords Pass-the-Hash Attack, tracked as CVE-2020-4001, could allow attackers to carry out a Pass-the-Hash Attack.

“SD-WAN Orchestrator ships with default passwords for predefined accounts which may lead to to a Pass-the-Hash attack.” reads the security advisory published by VMware. “The same salt is used in conjunction with the default password of predefined accounts on freshly installed systems allowing for for Pass-the-Hash-Attacks. That same system could be accessed by an attacker using the default password for the predefined account.”

The remaining flaws are:

  • An API endpoint privilege escalation, tracked as CVE-2020-3985, can be exploited by a user to elevate their privileges by calling a vulnerable API.
  • An unsafe handling of system parameters, tracked as CVE-2020-4002, which can be triggered by an authenticated SD-WAN Orchestrator user with high privileges to execute arbitrary code on the underlying operating system.
  • A SQL injection Information Disclosure, tracked as CVE-2020-4003, that can be exploited by an authenticated SD-WAN Orchestrator user to inject code into SQL queries which may lead to information disclosure.
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Pierluigi Paganini

(SecurityAffairs – hacking, VMware)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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