CVE-2020-3952: Sensitive Information Disclosure in VMware vCenter Server (VMSA-2020-0006)
VMware patches a critical information disclosure flaw in vCenter Server with a CVSSv3 score of 10.0.
Contexto
On April 9, VMware published VMSA-2020-0006, a security advisory for a critical vulnerability in vCenter Server that received the maximum CVSSv3 score of 10.0.
Análise
CVE-2020-3952 is a sensitive information disclosure flaw in VMware vCenter Server. The flaw resides in the VMware Directory Service (vmdir), which is included in vCenter Server as part of an embedded or external Platform Services Controller (PSC). Under “certain conditions,” vmdir does not implement proper access controls, which could allow a malicious attacker with network access to obtain sensitive information. While the advisory does not indicate what sensitive information could be obtained, VMware notes this information could be used to compromise vCenter Server or other services that use vmdir for authentication.
Prova de conceito
At the time of this writing, no public PoC has been released for this vulnerability. Based on the CVSSv3 score of 10.0 assigned to this vulnerability, it is likely that it may be easy to exploit.
Solução
VMware released vCenter Server version 6.7u3f to address this vulnerability. The following table lists the affected versions of vCenter Server.
| Produtos | Version | Plataforma | Affected | Fixed | Additional Documentation |
|---|---|---|---|---|---|
| vCenter Server | 6.7 | Equipamento virtual | Sim | 6.7u3f | KB78543 |
| vCenter Server | 6.7 | Windows | Sim | 6.7u3f | KB78543 |
According to VMware’s advisory, the vulnerability only affects specific versions of vCenter Server versions 6.7. Specifically, those instances where vCenter Server was upgraded from a previous version, including version 6.0 or 6.5. A new and clean installation of vCenter Server 6.7 is not affected.
VMware has published KB article 78543 with additional guidance to determine if a vCenter Server 6.7 deployment is affected.
Identificação de sistemas afetados
A list of Tenable plugins to identify this vulnerability will appear here as they’re released.
Obtenha mais informações
- VMware VMSA-2020-0006 Security Advisory
- VMware KB 78543: Additional Documentation for VMSA-2020-0006
Junte-se à equipe de resposta de segurança da Tenable na Tenable.
Saiba mais sobre a Tenable, a primeira plataforma de Cyber Exposure para o gerenciamento holístico da sua superfície de ataque moderna.
Obtenha uma avaliação gratuita por 30 dias do Vulnerability Management da Tenable.io.
Artigos relacionados
CVE-2024-20353, CVE-2024-20359: Frequently Asked Questions About ArcaneDoor
April 25, 2024Frequently asked questions about CVE-2024-20353 and CVE-2024-20359, two vulnerabilities associated with “ArcaneDoor,” the espionage-related campaign targeting Cisco Adaptive Security Appliances.
Operational Technology in the DoD: Ensuring a Secure and Efficient Power Grid
April 19, 2024In an evolving threat landscape, the DoD must make sure that its mission-critical operations don’t experience power outages.
Strengthening the Nessus Software Supply Chain with SLSA
April 16, 2024You know Tenable as a cybersecurity industry leader whose world-class exposure management products are trusted by our approximately 43,000 customers, including about 60% of the Fortune 500. But sometimes we like to give you a peek behind the curtain to share how we protect our own house against cyberattacks – and that’s what this blog is about. Today we’re sharing our experience adopting the supply-chain security framework SLSA, with the hopes that the lessons we learned will be helpful to you.
CVE-2024-20353, CVE-2024-20359: Frequently Asked Questions About ArcaneDoor
April 25, 2024Frequently asked questions about CVE-2024-20353 and CVE-2024-20359, two vulnerabilities associated with “ArcaneDoor,” the espionage-related campaign targeting Cisco Adaptive Security Appliances.
CVE-2024-4040: CrushFTP Virtual File System (VFS) Sandbox Escape Vulnerability Exploited
April 23, 2024A zero-day vulnerability in CrushFTP was exploited in the wild against multiple U.S. entities prior to fixed versions becoming available as the vendor recommends customers upgrade as soon as possible.
Operational Technology in the DoD: Ensuring a Secure and Efficient Power Grid
April 19, 2024In an evolving threat landscape, the DoD must make sure that its mission-critical operations don’t experience power outages.
- Vulnerability Management