This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated krb5 packages that fix several security flaws are now
available for Red Hat Enterprise Linux 2.1 and 3.
This update has been rated as having critical 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. kadmind is the KADM5
David Coffey discovered an uninitialized pointer free flaw in the RPC
library used by kadmind. A remote unauthenticated attacker who can
access kadmind could trigger this flaw and cause kadmind to crash or
potentially execute arbitrary code as root. (CVE-2007-2442)
David Coffey also discovered an overflow flaw in the RPC library used
by kadmind. On Red Hat Enterprise Linux, exploitation of this flaw is
limited to a denial of service. A remote unauthenticated attacker who
can access kadmind could trigger this flaw and cause kadmind to crash.
A stack-based buffer overflow flaw was found in kadmind. An
authenticated attacker who can access kadmind could trigger this flaw
and potentially execute arbitrary code on the Kerberos server.
For Red Hat Enterprise Linux 2.1, several portability bugs which would
lead to unexpected crashes on the ia64 platform have also been fixed.
Users of krb5-server are advised to update to these erratum packages
which contain backported fixes to correct these issues.
See also :
Update the affected packages.
Risk factor :
High / CVSS Base Score : 9.3
CVSS Temporal Score : 8.1
Public Exploit Available : false
Family: Red Hat Local Security Checks
Nessus Plugin ID: 25604 ()
Bugtraq ID: 246532465524657
CVE ID: CVE-2007-2442CVE-2007-2443CVE-2007-2798
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