# CVE-2017-16594: File upload in NetGain Systems Enterprise Manager

> Remote attackers can upload arbitrary files to execute code with Administrator privileges via improper validation in the save_image servlet.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Jan 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-w2mr-f4m8-fcf3

## What is CVE-2017-16594?

CVE-2017-16594 is a medium-severity vulnerability in NetGain Systems Enterprise Manager, published on 23 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

This vulnerability allows remote attackers to create arbitrary files on vulnerable installations of NetGain Systems Enterprise Manager 7.2.730 build 1034. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the org.apache.jsp.u.jsp.db.save_005fimage_jsp servlet, which listens on TCP port 8081 by default. When parsing the id parameter, the process does not properly validate user-supplied data, which can allow for the upload of files. An attacker can leverage this vulnerability to execute code under the context of Administrator. Was ZDI-CAN-5117.

Weakness: CWE-20 (Improper Input Validation), CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2017-16594?

It affects 1 product.


Products: Netgain-Systems Enterprise Manager.

## How do I fix CVE-2017-16594?

No fix has been published for CVE-2017-16594 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-16594 being exploited?

There is no known exploitation of CVE-2017-16594 in the wild and no public exploit code.

## Other vulnerabilities in NetGain Systems Enterprise Manager

- [CVE-2017-16597](https://insights.sbomify.com/CVE-2017-16597/): Path traversal in NetGain Systems Enterprise Manager (critical 9.8)
- [CVE-2017-16608](https://insights.sbomify.com/CVE-2017-16608/): Command injection in NetGain Systems Enterprise Manager (critical 9.8)
- [CVE-2017-16610](https://insights.sbomify.com/CVE-2017-16610/): Path traversal in NetGain Systems Enterprise Manager (critical 9.8)
- [CVE-2017-17406](https://insights.sbomify.com/CVE-2017-17406/): Deserialization in NetGain Systems Enterprise Manager (critical 9.8)
- [CVE-2017-17407](https://insights.sbomify.com/CVE-2017-17407/): Command injection in NetGain Systems Enterprise Manager (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-16594 and fix it if it is affected.

What it is: CVE-2017-16594 is a medium-severity vulnerability in NetGain Systems Enterprise Manager, published on 23 Jan 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-16594 in the wild and no public exploit code.

Affected product: NetGain Systems Enterprise Manager. 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-2017-16594/ (Markdown: https://insights.sbomify.com/CVE-2017-16594/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-16594
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-16594
- OSV: https://osv.dev/vulnerability/CVE-2017-16594

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-16594/
Summaries are generated and may contain mistakes; the official description above is the record.