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This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
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).
A buffer overflow flaw was found in the MIT krb5 telnet daemon
(telnetd). A remote attacker who can access the telnet port of a
target machine could use this flaw to execute arbitrary code as root.
Note that the krb5 telnet daemon is not enabled by default in any
version of Scientific Linux. In addition, the default firewall rules
block remote access to the telnet port. This flaw does not affect the
telnet daemon distributed in the telnet-server package.
For users who have installed the krb5-workstation package, have
enabled the telnet daemon, and have it accessible remotely, this
update should be applied immediately.
All krb5-workstation users should upgrade to these updated packages,
which contain a backported patch to correct this issue.
See also :
Update the affected packages.
Risk factor :
Critical / CVSS Base Score : 10.0
Public Exploit Available : true
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61214 ()
CVE ID: CVE-2011-4862
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