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 _______________________________________________________________________

 Mandriva Linux Security Advisory                       MDVSA-2009:098-1
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : krb5
 Date    : December 8, 2009
 Affected: 2008.0
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been found and corrected in krb5:
 
 The get_input_token function in the SPNEGO implementation in MIT
 Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to
 cause a denial of service (daemon crash) and possibly obtain sensitive
 information via a crafted length value that triggers a buffer over-read
 (CVE-2009-0844).
 
 The spnego_gss_accept_sec_context function in
 lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5
 through 1.6.3, when SPNEGO is used, allows remote attackers to cause
 a denial of service (NULL pointer dereference and daemon crash) via
 invalid ContextFlags data in the reqFlags field in a negTokenInit token
 (CVE-2009-0845).
 
 The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in
 the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before
 1.6.4 allows remote attackers to cause a denial of service (daemon
 crash) or possibly execute arbitrary code via vectors involving an
 invalid DER encoding that triggers a free of an uninitialized pointer
 (CVE-2009-0846).
 
 The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5
 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to
 cause a denial of service (application crash) via a crafted length
 value that triggers an erroneous malloc call, related to incorrect
 calculations with pointer arithmetic (CVE-2009-0847).
 
 The updated packages have been patched to correct these issues.

 Update:

 Packages for 2008.0 are being provided due to extended support for
 Corporate products.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0844
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0845
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0846
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0847
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2008.0:
 76c92a66601230990ff6281c42067749 
 2008.0/i586/ftp-client-krb5-1.6.2-7.3mdv2008.0.i586.rpm
 218e4da0c92e594074dc3fbcd27cb3d7 
 2008.0/i586/ftp-server-krb5-1.6.2-7.3mdv2008.0.i586.rpm
 1051b34f188f5a2606d9ab8a1f126670  2008.0/i586/krb5-1.6.2-7.3mdv2008.0.i586.rpm
 c221a8252b9fd218a813c6a0bff93d6f 
 2008.0/i586/krb5-server-1.6.2-7.3mdv2008.0.i586.rpm
 7a247e309408dd0b71359f39caf1b7f6 
 2008.0/i586/krb5-workstation-1.6.2-7.3mdv2008.0.i586.rpm
 a97f9c43d1eefab82742884db15d5bbc 
 2008.0/i586/libkrb53-1.6.2-7.3mdv2008.0.i586.rpm
 27dd46df53ff045324a034d0ca82d49c 
 2008.0/i586/libkrb53-devel-1.6.2-7.3mdv2008.0.i586.rpm
 431452767e975eb64cc6cd247063d37c 
 2008.0/i586/telnet-client-krb5-1.6.2-7.3mdv2008.0.i586.rpm
 aaba3becaf596303a3c13971791c2754 
 2008.0/i586/telnet-server-krb5-1.6.2-7.3mdv2008.0.i586.rpm 
 53c1386ea4b5df817c291036c0b87c87  2008.0/SRPMS/krb5-1.6.2-7.3mdv2008.0.src.rpm

 Mandriva Linux 2008.0/X86_64:
 e2f5fe97c5378b7289f82e91bdd6bddd 
 2008.0/x86_64/ftp-client-krb5-1.6.2-7.3mdv2008.0.x86_64.rpm
 a08df3ac4dca4acdf206319a3719fbdd 
 2008.0/x86_64/ftp-server-krb5-1.6.2-7.3mdv2008.0.x86_64.rpm
 885d1a0531dfb0cf76caa7c4ff3fe18e 
 2008.0/x86_64/krb5-1.6.2-7.3mdv2008.0.x86_64.rpm
 039ee08d160d7e69d08bada9094b97a3 
 2008.0/x86_64/krb5-server-1.6.2-7.3mdv2008.0.x86_64.rpm
 9b38bbdf14e5497210fc089f557e95e1 
 2008.0/x86_64/krb5-workstation-1.6.2-7.3mdv2008.0.x86_64.rpm
 a0c7e0644a2003de2c0b9c9950732aa4 
 2008.0/x86_64/lib64krb53-1.6.2-7.3mdv2008.0.x86_64.rpm
 5ba2c89f29763d83566c6fef282b739b 
 2008.0/x86_64/lib64krb53-devel-1.6.2-7.3mdv2008.0.x86_64.rpm
 ecda67b1be41c463bef90354ded0915f 
 2008.0/x86_64/telnet-client-krb5-1.6.2-7.3mdv2008.0.x86_64.rpm
 500a7f81e1be11f4b5100f231035e819 
 2008.0/x86_64/telnet-server-krb5-1.6.2-7.3mdv2008.0.x86_64.rpm 
 53c1386ea4b5df817c291036c0b87c87  2008.0/SRPMS/krb5-1.6.2-7.3mdv2008.0.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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