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Test ID:1.3.6.1.4.1.25623.1.0.871008
Category:Red Hat Local Security Checks
Title:RedHat Update for krb5 RHSA-2013:0942-01
Summary:The remote host is missing an update for the 'krb5'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'krb5'
package(s) announced via the referenced advisory.

Vulnerability Insight:
Kerberos is a network authentication system which allows clients and
servers to authenticate to each other using symmetric encryption and a
trusted third-party, the Key Distribution Center (KDC).

It was found that kadmind's kpasswd service did not perform any validation
on incoming network packets, causing it to reply to all requests. A remote
attacker could use this flaw to send spoofed packets to a kpasswd
service that appear to come from kadmind on a different server, causing the
services to keep replying packets to each other, consuming network
bandwidth and CPU. (CVE-2002-2443)

All krb5 users should upgrade to these updated packages, which contain a
backported patch to correct this issue. After installing the updated
packages, the krb5kdc and kadmind daemons will be restarted automatically.

Affected Software/OS:
krb5 on Red Hat Enterprise Linux (v. 5 server),
Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2002-2443
Debian Security Information: DSA-2701 (Google Search)
http://www.debian.org/security/2013/dsa-2701
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166
RedHat Security Advisories: RHSA-2013:0942
http://rhn.redhat.com/errata/RHSA-2013-0942.html
SuSE Security Announcement: openSUSE-SU-2013:1119 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html
SuSE Security Announcement: openSUSE-SU-2013:1122 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html
http://www.ubuntu.com/usn/USN-2810-1
CopyrightCopyright (c) 2013 Greenbone Networks GmbH

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