# CVE-2023-22363: Access Zone stack overflow

> An attacker can cause a denial of service in Gallagher Command Centre by triggering a stack overflow via cardholder assignment.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **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:** 24 Jul 2023
- **Updated:** 17 Oct 2024
- **Also known as:** GHSA-wx53-3c9r-58r2

## What is CVE-2023-22363?

CVE-2023-22363 is a medium-severity memory corruption vulnerability in Gallagher Command Centre, published on 24 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A stack-based buffer overflow in the Command Centre Server allows an attacker to cause a denial of service attack via assigning cardholders to an Access Group.

This issue affects Command Centre: vEL8.80 prior to vEL8.80.1192 (MR2)

Weakness: CWE-787 (Out-of-bounds Write), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2023-22363?

It affects 1 product.


Products: Gallagher Command Centre.

## How do I fix CVE-2023-22363?

No fix has been published for CVE-2023-22363 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-22363 being exploited?

There is no known exploitation of CVE-2023-22363 in the wild and no public exploit code.

## Other vulnerabilities in Gallagher Command Centre

- [CVE-2021-23140](https://insights.sbomify.com/CVE-2021-23140/): Missing authorization in Command Centre (critical 9.9)
- [CVE-2021-23230](https://insights.sbomify.com/CVE-2021-23230/): SQL injection in Command Centre (critical 9.9)
- [CVE-2020-16096](https://insights.sbomify.com/CVE-2020-16096/): Missing authorization in Command Centre (critical 9.9)
- [CVE-2020-16098](https://insights.sbomify.com/CVE-2020-16098/): Information disclosure in Command Centre (critical 9.8)
- [CVE-2019-15294](https://insights.sbomify.com/CVE-2019-15294/): Information disclosure in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-22363 and fix it if it is affected.

What it is: CVE-2023-22363 is a medium-severity memory corruption vulnerability in Gallagher Command Centre, published on 24 Jul 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-2023-22363 in the wild and no public exploit code.

Affected product: Gallagher Command Centre. 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-2023-22363/ (Markdown: https://insights.sbomify.com/CVE-2023-22363/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-22363
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22363
- OSV: https://osv.dev/vulnerability/CVE-2023-22363

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-22363/
Summaries are generated and may contain mistakes; the official description above is the record.