# CVE-2019-19942: Other in n/a

> Remote attackers can perform DNS spoofing against the web interface via crafted hostnames in DHCP requests due to missing output sanitation.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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:** 16 Mar 2020
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8x86-j4v3-7xf3

## What is CVE-2019-19942?

CVE-2019-19942 is a high-severity vulnerability in n/a, published on 16 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing output sanitation in Swisscom Centro Grande Centro Grande before 6.16.12, Centro Business 1.0 (ADB) before 7.10.18, and Centro Business 2.0 before 8.02.04 allows a remote attacker to perform DNS spoofing against the web interface via crafted hostnames in DHCP requests.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2019-19942?

It affects 2 products.


Products: Swisscom Centro Business, Swisscom Centro Grande Firmware.

## How do I fix CVE-2019-19942?

No fix has been published for CVE-2019-19942 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-19942 being exploited?

There is no known exploitation of CVE-2019-19942 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-19942 and fix it if it is affected.

What it is: CVE-2019-19942 is a high-severity vulnerability in n/a, published on 16 Mar 2020. 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-2019-19942 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-2019-19942/ (Markdown: https://insights.sbomify.com/CVE-2019-19942/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-19942
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-19942
- OSV: https://osv.dev/vulnerability/CVE-2019-19942

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-19942/
Summaries are generated and may contain mistakes; the official description above is the record.