# CVE-2017-17029: Memory corruption in QTS Login function

> Remote attackers can execute arbitrary code on QNAP NAS devices via a buffer overflow in the login function.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Dec 2017
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-4xgj-rhhc-3x82

## What is CVE-2017-17029?

CVE-2017-17029 is a critical memory corruption vulnerability in Qnap Qts, published on 21 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A buffer overflow vulnerability in login 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.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2017-17029?

It affects 1 product.


Products: Qnap Qts.

## How do I fix CVE-2017-17029?

No fix has been published for CVE-2017-17029 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-17029 being exploited?

There is no known exploitation of CVE-2017-17029 in the wild and no public exploit code.

## Other vulnerabilities in Qnap Qts

- [CVE-2020-2509](https://insights.sbomify.com/CVE-2020-2509/): QNAP Network-Attached Storage (NAS) Command Injection (critical 9.8, exploited in the wild)
- [CVE-2018-19949](https://insights.sbomify.com/CVE-2018-19949/): QNAP NAS File Station Command Injection (critical 9.8, exploited in the wild)
- [CVE-2019-7193](https://insights.sbomify.com/CVE-2019-7193/): QNAP QTS Improper Input Validation (critical 9.8, exploited in the wild)
- [CVE-2018-19943](https://insights.sbomify.com/CVE-2018-19943/): QNAP NAS File Station Cross-Site Scripting (high 8.0, exploited in the wild)
- [CVE-2018-19953](https://insights.sbomify.com/CVE-2018-19953/): QNAP NAS File Station Cross-Site Scripting (medium 6.1, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-17029 and fix it if it is affected.

What it is: CVE-2017-17029 is a critical memory corruption vulnerability in Qnap Qts, published on 21 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-17029 in the wild and no public exploit code.

Affected product: Qnap Qts. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-17029/ (Markdown: https://insights.sbomify.com/CVE-2017-17029/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-17029
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-17029
- OSV: https://osv.dev/vulnerability/CVE-2017-17029

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-17029/
Summaries are generated and may contain mistakes; the official description above is the record.