Vulnerability in Dungeon Crawl Stone Soup (CVE-2020-11722)

Summary

Vulnerability in Dungeon Crawl Stone Soup (CVE-2020-11722). Successful exploitation can lead to full system takeover.

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2020-11722 has been found in Dungeon Crawl Stone Soup.
Successful exploitation can lead to full system takeover.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Dungeon Crawl Stone Soup CVE-2020-11722" on the vendor's site.

CVE-2020-11722 (Dungeon Crawl Stone Soup)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in Dungeon Crawl Stone Soup.

📍 Affected scope

Check the vendor advisory for the affected versions of Dungeon Crawl Stone Soup.

🔥 Severity

Severity: ?. Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
Audit SBOM/dependencies for affected components.
```
資産台帳・SBOM・依存マニフェストで Dungeon Crawl Stone Soup を使っているサービスとバージョンを洗い出す。
2
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2020-11722 crawl Fixed in: 2:0.25.0-1