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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2010:0926 :
Updated krb5 packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 4 and 5.
The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.
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).
Multiple checksum validation flaws were discovered in the MIT Kerberos
implementation. A remote attacker could use these flaws to tamper with
certain Kerberos protocol packets and, possibly, bypass authentication
mechanisms in certain configurations using Single-use Authentication
Red Hat would like to thank the MIT Kerberos Team for reporting these
All krb5 users should upgrade to these updated packages, which contain
a backported patch to correct these issues. After installing the
updated packages, the krb5kdc daemon will be restarted automatically.
See also :
Update the affected krb5 packages.
Risk factor :
Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.2
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68152 ()
Bugtraq ID: 45118
CVE ID: CVE-2010-1323CVE-2010-1324CVE-2010-4020CVE-2010-4021
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