# CVE-2018-11543: Path traversal in n/a

> Attackers can download arbitrary files from the Sonus SBC web interface due to a local file inclusion vulnerability.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Jul 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-3w6f-wrm9-g4x7

## What is CVE-2018-11543?

CVE-2018-11543 is a high-severity path traversal vulnerability in n/a, published on 9 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A Local File Inclusion (LFI) vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows for the downloading of arbitrary files via an unspecified vector. It affects the 1000 and 2000 devices 6.0.x up to Build 446, 6.1.x up to Build 492, and 7.0.x up to Build 485. It affects the SWe Lite devices 6.1.x up to Build 111 and 7.0.x up to Build 140.

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

## Which versions are affected by CVE-2018-11543?

It affects 3 products.


Products: Ribboncommunications Sbc Swe Lite Firmware, Ribboncommunications Sonus Sbc 1000 Firmware, Ribboncommunications Sonus Sbc 2000 Firmware.

## How do I fix CVE-2018-11543?

No fix has been published for CVE-2018-11543 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-11543 being exploited?

There is no known exploitation of CVE-2018-11543 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2018-11542](https://insights.sbomify.com/CVE-2018-11542/): Command injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-11543 and fix it if it is affected.

What it is: CVE-2018-11543 is a high-severity path traversal vulnerability in n/a, published on 9 Jul 2018. 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-2018-11543 in the wild and no public exploit code.

Affected product: n/a. 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-2018-11543/ (Markdown: https://insights.sbomify.com/CVE-2018-11543/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-11543
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-11543
- OSV: https://osv.dev/vulnerability/CVE-2018-11543

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-11543/
Summaries are generated and may contain mistakes; the official description above is the record.