pull up r22174 from trunk

pull up r22174 from trunk

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 r22174 | tlyu | 2009-04-07 17:22:17 -0400 (Tue, 07 Apr 2009) | 11 lines
 Changed paths:
    M /trunk/src/lib/gssapi/spnego/spnego_mech.c

 ticket: 6443
 subject: CVE-2009-0844 SPNEGO can read beyond buffer end
 tags: pullup
 target_version: 1.7

 SPNEGO can read beyond the end of a buffer if the claimed DER length
 exceeds the number of bytes in the input buffer. This can lead to
 crash or information disclosure.

 Thanks to Apple for reporting this vulnerability and providing
 patches.

ticket: 6443
version_fixed: 1.7

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-7@22248 dc483132-0cff-0310-8789-dd5450dbe970