# CVE-2001-1579: Null dereference in n/a

> Remote attackers can cause a denial of service in UnixWare and OpenUnix due to improper null termination in the timed program.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Aug 2005
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-5p63-fjqx-2787

## What is CVE-2001-1579?

CVE-2001-1579 is a medium-severity vulnerability in Sco Unixware, published on 5 Aug 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The timed program (in.timed) in UnixWare 7 and OpenUnix 8.0.0 does not properly terminate certain strings with a null, which allows remote attackers to cause a denial of service.

## Which versions are affected by CVE-2001-1579?

It affects 2 products.


Products: Sco Open Unix, Sco Unixware.

## How do I fix CVE-2001-1579?

No fix has been published for CVE-2001-1579 yet. Limit exposure of the affected software until one is available.

## Is CVE-2001-1579 being exploited?

There is no known exploitation of CVE-2001-1579 in the wild and no public exploit code.

## Other vulnerabilities in Sco Unixware

- [CVE-2002-1998](https://insights.sbomify.com/CVE-2002-1998/): Memory corruption in n/a (high 7.5)
- [CVE-2003-0834](https://insights.sbomify.com/CVE-2003-0834/): Memory corruption in n/a (high 7.2)
- [CVE-2003-0937](https://insights.sbomify.com/CVE-2003-0937/): Privilege escalation in n/a (medium 4.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2001-1579 and fix it if it is affected.

What it is: CVE-2001-1579 is a medium-severity vulnerability in Sco Unixware, published on 5 Aug 2005. 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-2001-1579 in the wild and no public exploit code.

Affected product: Sco Unixware. 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-2001-1579/ (Markdown: https://insights.sbomify.com/CVE-2001-1579/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2001-1579
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2001-1579
- OSV: https://osv.dev/vulnerability/CVE-2001-1579

---
From sbomify Insights: https://insights.sbomify.com/CVE-2001-1579/
Summaries are generated and may contain mistakes; the official description above is the record.