Out-of-Bounds Read Vulnerability in OpenSSL

Summary

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.

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

• QTS 5.0.0.1785 build 20210908 and later
• QTS 4.5.4.1787 build 20210910 and later
• QuTS hero h5.0.0.1844 build 20211105 and later
• QuTS hero h4.5.4.1813 build 20211006 and later
• QuTScloud c5.0.1.1949 and later

Recommendation

To fix the vulnerability, we recommend updating QTS, QuTS hero, and QuTScloud to their latest versions.

Updating QTS, QuTS hero, or QuTScloud

1. Log on to QTS, QuTS hero, or QuTScloud as administrator.
2. Go to Control Panel > System > Firmware Update.
3. Under Live Update, click Check for Update.
   QTS, QuTS hero, or QuTScloud 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.