RHEL 4 : krb5 (RHSA-2006:0612)

High Nessus Plugin ID 22201


The remote Red Hat host is missing one or more security updates.


Updated krb5 packages are now available for Red Hat Enterprise Linux 4 to correct a privilege escalation security flaw.

This update has been rated as having important security impact by the Red Hat Security Response Team.

Kerberos is a network authentication system which allows clients and servers to authenticate to each other through use of symmetric encryption and a trusted third party, the KDC.

A flaw was found where some bundled Kerberos-aware applications would fail to check the result of the setuid() call. On Linux 2.6 kernels, the setuid() call can fail if certain user limits are hit. A local attacker could manipulate their environment in such a way to get the applications to continue to run as root, potentially leading to an escalation of privileges. (CVE-2006-3083).

Users are advised to update to these erratum packages which contain a backported fix to correct this issue.


Update the affected packages.

See Also



Plugin Details

Severity: High

ID: 22201

File Name: redhat-RHSA-2006-0612.nasl

Version: 1.24

Type: local

Agent: unix

Published: 2006/08/10

Updated: 2019/10/25

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:krb5-devel, p-cpe:/a:redhat:enterprise_linux:krb5-libs, p-cpe:/a:redhat:enterprise_linux:krb5-server, p-cpe:/a:redhat:enterprise_linux:krb5-workstation, cpe:/o:redhat:enterprise_linux:4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2006/08/08

Vulnerability Publication Date: 2006/08/09

Reference Information

CVE: CVE-2006-3083

BID: 19427

RHSA: 2006:0612