TSSA-2004-009 - kerberos5

From: tinysofa Security Team (security_at_tinysofa.org)
Date: 06/02/04

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     ===========================================================================
                                                 _
                             |_ . _ _ _ (_ _
                             |_ | | ) \/ _) (_) | (_|
                                      /

                           Security Advisory #2004-009

     Package names: kerberos5
     Summary: Arbitary Code Execution
     Advisory ID: TSSA-2004-009
     Date: 2004-06-02
     Affected versions: tinysofa enterprise server 1.0
                        tinysofa enterprise server 1.0-U1

     ===========================================================================

     Security Fixes
     ==============

     Description
     -----------

      kerberos5:
      * The krb5_aname_to_localname() library function contains multiple
        buffer overflows which could be exploited to gain unauthorized root
        access. Exploitation of these flaws requires an unusual combination
        of factors, including successful authentication to a vulnerable
        service and a non-default configuration on the target service. This
        flaw effects all releases of MIT Kerberos 5 [0], up to and including
        krb5-1.3.3.

        This problem has been assigned the id MITKRB5-SA-2004-001 [1].

     References
     ----------
      [0] http://web.mit.edu/kerberos/www/
      [1] http://web.mit.edu/kerberos/www/advisories/

     Recommended Action
     ==================

      We recommend that all systems with these packages installed be upgraded.
      Please note that if you do not need the functionality provided by this
      package, you may want to remove it from your system.

     Location
     ========

      All tinysofa updates are available from
      <URI:http://http.tinysofa.org/pub/tinysofa/updates/>
      <URI:ftp://ftp.tinysofa.org/pub/tinysofa/updates/>

     Automatic Updates
     =================

      Users of the SWUP tool can enjoy having updates automatically
      installed using 'swup --upgrade'.

     Questions?
     ==========

      Check out our mailing lists:
      <URI:http://www.tinysofa.org/support/>

     Verification
     ============

      This advisory is signed with the tinysofa security sign key.
      This key is available from:
      <URI:http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xAEDCBB4B>

      All tinysofa packages are signed with the tinysofa stable sign key.
      This key is available from:
      <URI:http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x0F1240A2>

      The advisory is available from the tinysofa errata database at
      <URI:http://www.tinysofa.org/support/errata/>
      or directly at
      <URI:http://www.tinysofa.org/support/errata/2004/009.html>

     MD5sums Of The Packages
     =======================

      3b57bce78cadabfb6a231bbc6bb32b6c kerberos5-1.3.3-3ts.i586.rpm
      f13a566fa54b42bf7ea5fe34bdb22e75 kerberos5-devel-1.3.3-3ts.i586.rpm
      5a1f1c757fe960e8510dc1b219e5bf41 kerberos5-libs-1.3.3-3ts.i586.rpm

     --
     tinysofa Security Team <security at tinysofa dot org>

    
    



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