# CVE-2023-4439: SourceCodester Card Holder Management System Minus Value unknown vulnerability

> Attackers can exploit improper validation of negative quantities in the Card Holder Management System to manipulate inventory or financial records.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **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:** 20 Aug 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-ph8c-f4jv-6j8g

## What is CVE-2023-4439?

CVE-2023-4439 is a medium-severity vulnerability in SourceCodester Card Holder Management System, published on 20 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in SourceCodester Card Holder Management System 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Minus Value Handler. The manipulation leads to improper validation of specified quantity in input. The attack may be launched remotely. The identifier of this vulnerability is VDB-237560.

Weakness: CWE-1284 (Improper Validation of Specified Quantity in Input)

## Which versions are affected by CVE-2023-4439?

It affects 1 product.


Products: Card Holder Management System Project Card Holder Management System.

## How do I fix CVE-2023-4439?

No fix has been published for CVE-2023-4439 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4439 being exploited?

There is no known exploitation of CVE-2023-4439 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4439 and fix it if it is affected.

What it is: CVE-2023-4439 is a medium-severity vulnerability in SourceCodester Card Holder Management System, published on 20 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-4439 in the wild and no public exploit code.

Affected product: SourceCodester Card Holder Management System. 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-2023-4439/ (Markdown: https://insights.sbomify.com/CVE-2023-4439/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4439
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4439
- OSV: https://osv.dev/vulnerability/CVE-2023-4439

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4439/
Summaries are generated and may contain mistakes; the official description above is the record.