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Debian: Security update for kerberos

It was discovered that the Key Distribution Center (KDC) in Kerberos 5 crashes when processing certain crafted requests. When the LDAP backend is used, remote users can trigger a KDC daemon crash and denial of service. When the LDAP or Berkeley DB backend is used, remote users can trigger a NULL pointer dereference in the KDC daemon and a denial of service. Updated packages are available from security.debian.org.

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2379-1                   security@debian.org
http://www.debian.org/security/                            Florian Weimer
January 04, 2012                       http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : krb5
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-1528 CVE-2011-1529 

It was discovered that the Key Distribution Center (KDC) in Kerberos 5
crashes when processing certain crafted requests:

CVE-2011-1528
  When the LDAP backend is used, remote users can trigger
  a KDC daemon crash and denial of service.

CVE-2011-1529
  When the LDAP or Berkeley DB backend is used, remote users
  can trigger a NULL pointer dereference in the KDC daemon
  and a denial of service.
  
The oldstable distribution (lenny) is not affected by these problems.

For the stable distribution (squeeze), these problems have been fixed
in version 1.8.3+dfsg-4squeeze5.

For the testing distribution (wheezy) and the unstable distribution
(sid), these problems have been fixed in version 1.10+dfsg~alpha1-1.

We recommend that you upgrade your krb5 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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