# CVE-2018-2367: Path traversal in SAP BASIS (ABAP File Interface)

> An attacker can exploit insufficient path validation in SAP BASIS ABAP File Interface to traverse directories and access or modify unauthorized files.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 1 Mar 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-r33j-jx63-m9vf

## What is CVE-2018-2367?

CVE-2018-2367 is a high-severity path traversal vulnerability in SAP BASIS (ABAP File Interface), published on 1 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

ABAP File Interface in, SAP BASIS, from 7.00 to 7.02, from 7.10 to 7.11, 7.30, 7.31, 7.40, from 7.50 to 7.52, allows an attacker to exploit insufficient validation of path information provided by users, thus characters representing "traverse to parent directory" are passed through to the file APIs.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2018-2367?

It affects 1 product.


Products: Sap Business Application Software Integrated Solution.

## How do I fix CVE-2018-2367?

No fix has been published for CVE-2018-2367 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-2367 being exploited?

There is no known exploitation of CVE-2018-2367 in the wild and no public exploit code.

## Other vulnerabilities in SAP BASIS (ABAP File Interface)

- [CVE-2019-0279](https://insights.sbomify.com/CVE-2019-0279/): Missing authorization in SAP BASIS (high 8.8)
- [CVE-2018-2363](https://insights.sbomify.com/CVE-2018-2363/): Code injection in SAP NetWeaver (high 8.8)
- [CVE-2018-2494](https://insights.sbomify.com/CVE-2018-2494/): Missing authorization in SAP Basis (ABAP Platform) (high 8.0)
- [CVE-2017-16682](https://insights.sbomify.com/CVE-2017-16682/): Code injection in SAP NetWeaver Internet Transaction Server (ITS) (high 7.2)
- [CVE-2017-16691](https://insights.sbomify.com/CVE-2017-16691/): Security feature bypass in SAP Note Assistant (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-2367 and fix it if it is affected.

What it is: CVE-2018-2367 is a high-severity path traversal vulnerability in SAP BASIS (ABAP File Interface), published on 1 Mar 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-2018-2367 in the wild and no public exploit code.

Affected product: SAP BASIS (ABAP File Interface). 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-2018-2367/ (Markdown: https://insights.sbomify.com/CVE-2018-2367/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-2367
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-2367
- OSV: https://osv.dev/vulnerability/CVE-2018-2367

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-2367/
Summaries are generated and may contain mistakes; the official description above is the record.