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,...
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.
Exploit likelihood
What each source reports
NVD Score used
7.2
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.
- Record
CVE-2006-3084- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-3084- Updated
- 2026-11-02
EUVDEUVD-2006-3081 No score
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.
- Record
EUVD-2006-3081- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-863q-qjw4-fmrr No score
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,...
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.
- Record
GHSA-863q-qjw4-fmrr- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2006-3084- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-3084 No score
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.
- Record
DEBIAN-CVE-2006-3084- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-3084 is a high vulnerability (CVSS 7.2) in Heimdal, published August 9, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in krb5 1.4.3-9.
References
fedoranews.org/cms/node/2376
web.mit.edu/Kerberos/advisories/MITKRB5-SA-2006-001-setuid.txt
novell.com/linux/security/advisories/2006_20_sr.html
kb.cert.org/vuls/id/401660
security.gentoo.org/glsa/glsa-200608-21.xml
secunia.com/advisories/21461
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secunia.com/advisories/21467
osvdb.org/27872
debian.org/security/2006/dsa-1146
secunia.com/advisories/21436
vupen.com/english/advisories/2006/3225
secunia.com/advisories/21527
pdc.kth.se/heimdal/advisory/2006-08-08
securityfocus.com/archive/1/442599/100/0/threaded
secunia.com/advisories/23707
secunia.com/advisories/21439
secunia.com/advisories/21402
securityfocus.com/archive/1/443498/100/100/threaded
secunia.com/advisories/21613
securitytracker.com/id?1016664
gentoo.org/security/en/glsa/glsa-200608-15.xml
osvdb.org/27871
ubuntu.com/usn/usn-334-1
securityfocus.com/bid/19427
nvd.nist.gov/vuln/detail/CVE-2006-3084
github.com/advisories/GHSA-863q-qjw4-fmrr
security-tracker.debian.org/tracker/CVE-2006-3084