# CVE-2004-0638: Memory corruption in n/a

> Remote authenticated users can execute arbitrary code via a buffer overflow in the Oracle Database Server dbms_system package.

- **Severity:** High 8.5 (`AV:N/AC:M/Au:S/C:C/I:C/A:C`)
- **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:** 19 Jan 2005
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-r987-86mv-x265

## What is CVE-2004-0638?

CVE-2004-0638 is a high-severity memory corruption vulnerability in Oracle Oracle9i, published on 19 Jan 2005. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Buffer overflow in the KSDWRTB function in the dbms_system package (dbms_system.ksdwrt) for Oracle 9i Database Server Release 2 9.2.0.3 and 9.2.0.4, 9i Release 1 9.0.1.4 and 9.0.1.5, and 8i Release 1 8.1.7.4, allows remote authorized users to execute arbitrary code via a long second argument.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2004-0638?

It affects 2 products.


Products: Oracle Oracle8i, Oracle Oracle9i.

## How do I fix CVE-2004-0638?

No fix has been published for CVE-2004-0638 yet. Limit exposure of the affected software until one is available.

## Is CVE-2004-0638 being exploited?

There is no known exploitation of CVE-2004-0638 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Oracle9i

- [CVE-2001-0499](https://insights.sbomify.com/CVE-2001-0499/): Memory corruption in n/a (critical 10.0)
- [CVE-2003-0634](https://insights.sbomify.com/CVE-2003-0634/): Memory corruption in n/a (high 7.5)
- [CVE-2002-0858](https://insights.sbomify.com/CVE-2002-0858/): Hardcoded credentials in n/a (high 7.5)
- [CVE-2001-0126](https://insights.sbomify.com/CVE-2001-0126/): Code injection in n/a (high 7.5)
- [CVE-2004-0637](https://insights.sbomify.com/CVE-2004-0637/): Code injection in n/a (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2004-0638 and fix it if it is affected.

What it is: CVE-2004-0638 is a high-severity memory corruption vulnerability in Oracle Oracle9i, published on 19 Jan 2005. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2004-0638 in the wild and no public exploit code.

Affected product: Oracle Oracle9i. 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-2004-0638/ (Markdown: https://insights.sbomify.com/CVE-2004-0638/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2004-0638
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2004-0638
- OSV: https://osv.dev/vulnerability/CVE-2004-0638

---
From sbomify Insights: https://insights.sbomify.com/CVE-2004-0638/
Summaries are generated and may contain mistakes; the official description above is the record.