Internet of Things

QNAP will patche OpenSSL flaws in its NAS devices

Network-attached storage (NAS) appliance maker QNAP is working on security patches for its products affected by recently fixed OpenSSL flaws.

Taiwanese Network-attached storage (NAS) appliance maker QNAP announced that it is assessing the potential impact of two recently addressed flaws in OpenSSL on its products. The company also announced that it is working on security updates that address these vulnerabilities.

“An out-of-bounds read vulnerability in OpenSSL has been reported to affect QNAP NAS running QTS, QuTS hero, and QuTScloud. If exploited, the vulnerability allows remote attackers to disclose memory data or execute a denial-of-service (DoS) attack.” reads the advisory published by QNAP. “QNAP is thoroughly investigating the case. We will release security updates and provide further information as soon as possible.”

The two vulnerabilities are CVE-2021-3711 and CVE-2021-3712, they are respectively a remote code execution (RCE) and denial-of-service (DoS).

The CVE-2021-3711 is a high-severity buffer overflow flaw that could allow an attacker to change an application’s behavior or cause the app to crash. The vulnerability ties the decryption of SM2 encrypted data, the changes depend on the targeted application and data it maintains (i.e. credentials) in the heap while the issue is exploited.

The CVE-2021-3712 is a medium-severity vulnerability that can be exploited by attackers to trigger a denial-of-service (DoS) condition. The flaw could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext).

A few days ago, Taiwan vendor Synology also announced that the above vulnerabilities in the OpenSSL impact some of its products.

“Multiple vulnerabilities allow remote attackers to conduct denial-of-service attack or possibly execute arbitrary code via a susceptible version of Synology DiskStation Manager (DSM), Synology Router Manager (SRM), VPN Plus Server or VPN Server.” reads the advisory published by the company.

The affected Synology products are:

PRODUCTSEVERITYFIXED RELEASE AVAILABILITY
DSM 7.0ImportantOngoing
DSM 6.2ModerateOngoing
DSM UCModerateOngoing
SkyNASModeratePending
VS960HDModeratePending
SRM 1.2ModerateOngoing
VPN Plus ServerImportantOngoing
VPN ServerModerateOngoing

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Pierluigi Paganini

(SecurityAffairs – hacking, QNAP)

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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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