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<define-tag description>LTS security update</define-tag>
<define-tag moreinfo>
<p>Several vulnerabilities were discovered in krb5, the MIT implementation
of Kerberos. The Common Vulnerabilities and Exposures project identifies
the following problems:</p>
<ul>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2014-4341">CVE-2014-4341</a>
<p>An unauthenticated remote attacker with the ability to inject
packets into a legitimately established GSSAPI application session
can cause a program crash due to invalid memory references when
attempting to read beyond the end of a buffer.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2014-4342">CVE-2014-4342</a>
<p>An unauthenticated remote attacker with the ability to inject
packets into a legitimately established GSSAPI application session
can cause a program crash due to invalid memory references when
reading beyond the end of a buffer or by causing a null pointer
dereference.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2014-4343">CVE-2014-4343</a>
<p>An unauthenticated remote attacker with the ability to spoof packets
appearing to be from a GSSAPI acceptor can cause a double-free
condition in GSSAPI initiators (clients) which are using the SPNEGO
mechanism, by returning a different underlying mechanism than was
proposed by the initiator. A remote attacker could exploit this flaw
to cause an application crash or potentially execute arbitrary code.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2014-4344">CVE-2014-4344</a>
<p>An unauthenticated or partially authenticated remote attacker can
cause a NULL dereference and application crash during a SPNEGO
negotiation by sending an empty token as the second or later context
token from initiator to acceptor.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2014-4345">CVE-2014-4345</a>
<p>When kadmind is configured to use LDAP for the KDC database, an
authenticated remote attacker can cause it to perform an
out-of-bounds write (buffer overflow).</p></li>
</ul>
<p>For Debian 6 <q>Squeeze</q>, these issues have been fixed in krb5 version 1.8.3+dfsg-4squeeze8</p>
</define-tag>
# do not modify the following line
#include "$(ENGLISHDIR)/lts/security/2014/dla-37.data"
# $Id$
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