CVE-2023-34971: Vulnerability in QTS and QuTS hero - Security Advisory

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• Release date: August 25, 2023
• Security ID: QSA-23-60
• Severity: High
• CVE identifier: CVE-2023-34971
• Affected products: QTS 5.1.0, 5.0.1, 4.5.4; QuTS hero h5.1.0, h4.5.4
• Status: Resolved

Summary

An inadequate encryption strength vulnerability has been reported to affect certain QNAP operating systems. If exploited, the vulnerability could allow local network clients to decrypt data using brute force attacks via unspecified vectors.

We have already fixed the vulnerability in the following operating system versions:

• QTS 5.1.0.2444 build 20230629 and later
• QTS 5.0.1.2425 build 20230609 and later
• QTS 4.5.4.2467 build 20230718 and later
• QuTS hero h5.1.0.2424 build 20230609 and later
• QuTS hero h4.5.4.2476 build 20230728 and later

Recommendation

To secure your device, we recommend regularly updating your system to the latest version to benefit from vulnerability fixes. You can check the product support status to see the latest updates available to your NAS model.

Updating QTS or QuTS hero

1. Log in to QTS or QuTS hero as an administrator.
2. Go to Control Panel > System > Firmware Update.
3. Under Live Update, click Check for Update.
   The system downloads and installs the latest available update.

Tip: You can also download the update from the QNAP website. Go to Support > Download Center and then perform a manual update for your specific device.

Attachment

• CVE-2023-34971.json

Acknowledgements: Domen Puncer Kugler

Revision History:
V1.0 (August 25, 2023) - Published