Security

Cisco issued a security advisory warning of a flaw in Cisco Voice Operating System software

Cisco issued a security advisory warning of a vulnerability in Cisco Voice Operating System software platform that affects at least 12 products.

The tech giant Cisco issued a security advisory warning of a vulnerability in Cisco Voice Operating System software platform that could be triggered by an unauthenticated, remote hacker to gain unauthorized and elevated access to vulnerable devices.

The flaw in Cisco Voice Operating System software platform, tracked as CVE-2017-12337, was rated as Critical

“A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote attacker to gain unauthorized, elevated access to an affected device.” reads the Cisco Security Bulletin.

“The vulnerability occurs when a refresh upgrade or Prime Collaboration Deployment (PCD) migration is performed on an affected device. When a refresh upgrade or PCD migration is completed successfully, an engineering flag remains enabled and could allow root access to the device with a known password.”

The US-CERT issued an alert related to the flaw encouraging users and administrators to review apply the necessary update.

Cisco issued a security advisory warning of a flaw in Cisco Voice Operating System softwareCisco issued a security advisory warning of a flaw in Cisco Voice Operating System software

A remote attacker that manages to access the vulnerable devices over SSH File Transfer Protocol (SFTP) could gain root access. 12 products are affected by the vulnerability, including Cisco Prime License Manager, Cisco SocialMiner, Cisco Emergency Responder and Cisco MediaSense.

“An attacker who can access an affected device over SFTP while it is in a vulnerable state could gain root access to the device. This access could allow the attacker to compromise the affected system completely.” continues the security bulletin.

The vulnerability could be fixed by upgrading the device using the standard upgrade method to an Engineering Special Release, service update, or a new major release of the affected product.

“If the vulnerable device is subsequently upgraded using the standard upgrade method to an Engineering Special Release, service update, or a new major release of the affected product, this vulnerability is remediated by that action,” said Cisco.

CISCO highlighted that Engineering Special Releases that are installed as COP files do not fix this vulnerability.

The software update fixes the bug.

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Pierluigi Paganini

(Security Affairs – Cisco Voice Operating System software platform, hacking)

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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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