# CVE-2018-2918: Auth bypass in Sun ZFS Storage Appliance Kit (AK) Software

> Unauthenticated attackers can compromise Sun ZFS Storage Appliance Kit via network access, leading to full system takeover.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Jul 2018
- **Updated:** 2 Oct 2024
- **Also known as:** GHSA-hmvp-993j-38fx

## What is CVE-2018-2918?

CVE-2018-2918 is a high-severity authentication bypass vulnerability in Oracle Corporation Sun ZFS Storage Appliance Kit (AK) Software, published on 18 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Vulnerability in the Sun ZFS Storage Appliance Kit (AK) component of Oracle Sun Systems Products Suite (subcomponent: API frameworks). The supported version that is affected is Prior to 8.7.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Sun ZFS Storage Appliance Kit (AK). Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Sun ZFS Storage Appliance Kit (AK). CVSS 3.0 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

## Which versions are affected by CVE-2018-2918?

It affects 1 product.


Products: Oracle Sun Zfs Storage Appliance Kit.

## How do I fix CVE-2018-2918?

No fix has been published for CVE-2018-2918 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-2918 being exploited?

There is no known exploitation of CVE-2018-2918 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Corporation Sun ZFS Storage Appliance Kit (AK) Software

- [CVE-2018-2611](https://insights.sbomify.com/CVE-2018-2611/): Auth bypass in Sun ZFS Storage Appliance Kit (AK) Software (critical 10.0)
- [CVE-2018-2623](https://insights.sbomify.com/CVE-2018-2623/): Missing authorization in Sun ZFS Storage Appliance Kit (AK) Software (critical 9.3)
- [CVE-2018-2664](https://insights.sbomify.com/CVE-2018-2664/): Auth bypass in Sun ZFS Storage Appliance Kit (AK) Software (critical 9.0)
- [CVE-2018-2624](https://insights.sbomify.com/CVE-2018-2624/): Information disclosure in Sun ZFS Storage Appliance Kit (AK) Software (high 8.6)
- [CVE-2017-3580](https://insights.sbomify.com/CVE-2017-3580/): Other in Sun ZFS Storage Appliance Kit (AK) Software (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-2918 and fix it if it is affected.

What it is: CVE-2018-2918 is a high-severity authentication bypass vulnerability in Oracle Corporation Sun ZFS Storage Appliance Kit (AK) Software, published on 18 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-2918 in the wild and no public exploit code.

Affected product: Oracle Corporation Sun ZFS Storage Appliance Kit (AK) Software. 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-2018-2918/ (Markdown: https://insights.sbomify.com/CVE-2018-2918/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-2918
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-2918
- OSV: https://osv.dev/vulnerability/CVE-2018-2918

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-2918/
Summaries are generated and may contain mistakes; the official description above is the record.