CVE-2018-0721 Security Advisory for Vulnerabilities in QTS

What is CVE-2018-0721?

CVE-2018-0721 is a high-severity memory corruption vulnerability in Qnap Qts, published on 27 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.

Weakness: CWE-119, CWE-120

Which versions are affected by CVE-2018-0721?

It affects 1 product.

Products include Qnap Qts.

How do I fix CVE-2018-0721?

No fix has been published for CVE-2018-0721 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-0721 being exploited?

There is no known exploitation of CVE-2018-0721 in the wild and no public exploit code.

Other vulnerabilities in Qnap Qts

• CVE-2020-2509 QNAP Network-Attached Storage (NAS) Command Injection Exploited Critical 9.8
• CVE-2018-19949 QNAP NAS File Station Command Injection Exploited Critical 9.8
• CVE-2019-7193 QNAP QTS Improper Input Validation Exploited Critical 9.8
• CVE-2018-19943 QNAP NAS File Station Cross-Site Scripting Exploited High 8.0
• CVE-2018-19953 QNAP NAS File Station Cross-Site Scripting Exploited Medium 6.1

All Qnap Qts vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j325-h69m-f57c.