# CVE-2007-1547: Null dereference in n/a

> Remote attackers can crash the Network Audio System server by opening multiple simultaneous connections, causing a denial of service.

- **Severity:** High 7.8 (`AV:N/AC:L/Au:N/C:N/I:N/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 20 Mar 2007
- **Updated:** 7 Aug 2024
- **Also known as:** DEBIAN-CVE-2007-1547, GHSA-9wxh-fmqh-vwx6

## What is CVE-2007-1547?

CVE-2007-1547 is a high-severity vulnerability in n/a, published on 20 Mar 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The ReadRequestFromClient function in server/os/io.c in Network Audio System (NAS) before 1.8a SVN 237 allows remote attackers to cause a denial of service (crash) via multiple simultaneous connections, which triggers a NULL pointer dereference.

## Which versions are affected by CVE-2007-1547?

It affects 1 product.


Products: Radscan Network Audio System.

## How do I fix CVE-2007-1547?

Upgrade to a fixed version.

## Is CVE-2007-1547 being exploited?

There is no known exploitation of CVE-2007-1547 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2007-1543](https://insights.sbomify.com/CVE-2007-1543/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-4258](https://insights.sbomify.com/CVE-2013-4258/): Other in n/a (high 7.5)
- [CVE-2007-1544](https://insights.sbomify.com/CVE-2007-1544/): Integer overflow in n/a (medium 5.0)
- [CVE-2007-1545](https://insights.sbomify.com/CVE-2007-1545/): Denial of service in n/a (medium 5.0)
- [CVE-2007-1546](https://insights.sbomify.com/CVE-2007-1546/): Denial of service in n/a (medium 5.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-1547 and fix it if it is affected.

What it is: CVE-2007-1547 is a high-severity vulnerability in n/a, published on 20 Mar 2007. 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-2007-1547 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-2007-1547/ (Markdown: https://insights.sbomify.com/CVE-2007-1547/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-1547
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-1547
- OSV: https://osv.dev/vulnerability/CVE-2007-1547

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-1547/
Summaries are generated and may contain mistakes; the official description above is the record.