Buffer Overflow Vulnerabilities in Samba

Summary

Multiple buffer overflow vulnerabilities have been reported in Samba. These vulnerabilities affect the following QNAP operating systems:

• QTS, QuTS hero, QuTScloud, QVP (QVR Pro appliances), QVR

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

• QTS 5.0.1.2346 build 20230322 and later
• QuTS hero h5.0.1.2348 build 20230324 and later
• QuTS hero h4.5.4.2374 build 20230417 and later

QNAP is urgently fixing the vulnerabilities in QuTScloud, QVP, and QVR.

Please check this security advisory regularly for updates and promptly update your operating system to the latest recommended version as soon as it is available.

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 QNAP device.

Updating QTS, QuTS hero, or QuTScloud

1. Log in to QTS, QuTS hero, or QuTScloud 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.

Updating QVP (QVR Pro Appliances) or QVR

1. Log in to QVP or QVR as an administrator.
2. Go to Control Panel > System Settings > Firmware Update.
3. Select the Firmware Update tab.
4. Click Browse... to upload the latest firmware file.
   Tip: Download the latest firmware file for your specific device from https://www.qnap.com/go/download.
5. Click Update System.
   The system installs the update.