Buffer overflow in QNAP QTS
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| QNAP | QTS | 5.0.x to before 5.0.1.2425 build 20230609; 5.1.x to before 5.1.0.2444 build 20230629; 4.5.x to before 4.5.4.2467 build 20230718 | 5.0.1.2425 build 20230609, 5.1.0.2444 build 20230629, 4.5.4.2467 build 20230718 | Patch available | CNA |
| QNAP | QuTS hero | h5.0.x to before h5.0.1.2515 build 20230907; h5.1.x to before h5.1.0.2424 build 20230609; h4.5.x to before h4.5.4.2476 build 20230728 | h5.0.1.2515 build 20230907, h5.1.0.2424 build 20230609, h4.5.4.2476 build 20230728 | Patch available | CNA |
| QNAP | QuTScloud | c5.x to before c5.1.0.2498 | c5.1.0.2498 | Patch available | CNA |
- QTS VendorQNAP Affected 5.0.x to before 5.0.1.2425 build 20230609; 5.1.x to before 5.1.0.2444 build 20230629; 4.5.x to before 4.5.4.2467 build 20230718 Fixed in 5.0.1.2425 build 20230609, 5.1.0.2444 build 20230629, 4.5.4.2467 build 20230718 Patch available CNA
- QuTS hero VendorQNAP Affected h5.0.x to before h5.0.1.2515 build 20230907; h5.1.x to before h5.1.0.2424 build 20230609; h4.5.x to before h4.5.4.2476 build 20230728 Fixed in h5.0.1.2515 build 20230907, h5.1.0.2424 build 20230609, h4.5.4.2476 build 20230728 Patch available CNA
- QuTScloud VendorQNAP Affected c5.x to before c5.1.0.2498 Fixed in c5.1.0.2498 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 4.5.1 to before 4.5.4.2467; 5.0.0.1716 to before 5.0.1.2425; 5.1.0 to before 5.1.0.2444 | Vulnerable | QNAP |
| cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* | h4.5.0 to before h4.5.4.2476; h5.0.0 to before h5.0.1.2515; h5.1.0 to before h5.1.0.2424 | Vulnerable | QNAP |
| cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:* | c5.0.0.1919 to before c5.1.0.2498 | Vulnerable | QNAP |
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* Versions 4.5.1 to before 4.5.4.2467; 5.0.0.1716 to before 5.0.1.2425; 5.1.0 to before 5.1.0.2444 Vulnerable ·QNAP
- cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* Versions h4.5.0 to before h4.5.4.2476; h5.0.0 to before h5.0.1.2515; h5.1.0 to before h5.1.0.2424 Vulnerable ·QNAP
- cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:* Versions c5.0.0.1919 to before c5.1.0.2498 Vulnerable ·QNAP
Remediation
- Fix · CNA QTS (QNAP Systems Inc.) Fixed in 5.0.1.2425 build 20230609, 5.1.0.2444 build 20230629, 4.5.4.2467 build 20230718
- Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h5.0.1.2515 build 20230907, h5.1.0.2424 build 20230609, h4.5.4.2476 build 20230728
- Fix · CNA QuTScloud (QNAP Systems Inc.) Fixed in c5.1.0.2498
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
QNAP Systems QuTScloud c5.1.0.2498
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2023-16162 Path traversal in QNAP QTSPriority MEDIUM 40
- TI-2023-16158 NULL pointer dereference in QNAP QuTS heroPriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32973
- 2026-10-03 Alias added: GHSA-mvgw-crv9-m67p
References
More QNAP Qts vulnerabilities
- TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
- TI-2018-14137 Improper input validation in QNAP QTS KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-14131 Cross-site scripting in QNAP QTS KEVCVSS 3.1HIGH 8.0
Sources
- CVE-2023-32973 · CVE Program
- CVE-2023-32973 · NVD
- FIRST EPSS
- GHSA-mvgw-crv9-m67p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences