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CVE-2006-3083

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before...

7.2 HighFix available

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Exploit likelihood

0.53%Down 1.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.2

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
CVE-2006-3083
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
CVE-2006-3083
Updated
2026-11-02
EUVDEUVD-2006-3080 No score

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
EUVD-2006-3080
Updated
2026-11-03
GitHub AdvisoriesGHSA-fxvg-34mm-mrcp No score

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before...

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
GHSA-fxvg-34mm-mrcp
Updated
2026-11-02
OSV No score

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
CVE-2006-3083
Updated
2026-11-02
OSVDEBIAN-CVE-2006-3083 No score

The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.

Record
DEBIAN-CVE-2006-3083
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5
Debian:12
 before 1.4.3-9
1.4.3-9
krb5
Debian:13
 before 1.4.3-9
1.4.3-9
krb5
Debian:14
 before 1.4.3-9
1.4.3-9
krb5
Debian:3.1
From an advisory covering 2 CVEs
 before 1.3.6-2sarge3, plus listed versions
1.3.6-21.3.6-2sarge11.3.6-2sarge2
1.3.6-2sarge3
krb5
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
krb5-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
krb5-devel
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
krb5-libs
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
krb5-server
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
krb5-workstation
Red Hat:enterprise_linux:4::as
 before 0:1.3.4-33
0:1.3.4-33
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Affected packages
PackageAffectedFixed
krb5
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5-libs
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5-server
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5-workstation
Red Hat:enterprise_linux:4::desktop
 before 0:1.3.4-33
0:1.3.4-33
krb5
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5-devel
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5-libs
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5-server
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5-workstation
Red Hat:enterprise_linux:4::es
 before 0:1.3.4-33
0:1.3.4-33
krb5
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33
krb5-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33
krb5-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33
krb5-libs
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33
krb5-server
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33
krb5-workstation
Red Hat:enterprise_linux:4::ws
 before 0:1.3.4-33
0:1.3.4-33

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-3083 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 0.53%, the 44th percentile. Fixed in krb5 1.4.3-9.

References

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