CVE-2018-14749 Memory corruption in QNAP QTS

What is CVE-2018-14749?

CVE-2018-14749 is a critical memory corruption vulnerability in Qnap Qts, published on 28 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could have unspecified impact on the NAS.

Weakness: CWE-119

Which versions are affected by CVE-2018-14749?

It affects 1 product.

Products include Qnap Qts.

How do I fix CVE-2018-14749?

No fix has been published for CVE-2018-14749 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-2018-14749 being exploited?

There is no known exploitation of CVE-2018-14749 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-4fjm-5h43-6xgx.