Buffer overflow in Qnap Qts
CVE-2017-17033
A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.
Vulnerability class: Buffer Overflow
EPSS: 0.059 (90.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap Qts — versions 4.3.4.0358, 4.3.4.0370, 4.3.4.0372
- Qnap Qts Notification Function — versions 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@qnapsecurity.com.tw (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@qnapsecurity.com.tw (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-17033?
- CVE-2017-17033 is a critical-severity vulnerability in Qnap Qts, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-12-21.
- How severe is CVE-2017-17033?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-17033 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.