[Full-Disclosure] [ESA-20030321-010] 'glibc' RPC XDR decoder vulnerability

From: EnGarde Secure Linux (securityat_private)
Date: Fri Mar 21 2003 - 08:11:24 PST

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    | EnGarde Secure Linux Security Advisory                  March 21, 2003 |
    | http://www.engardelinux.org/                          ESA-20030321-010 |
    |                                                                        |
    | Package: glibc                                                         |
    | Summary: RPC XDR decoder vulnerability.                                |
    +------------------------------------------------------------------------+
    
      EnGarde Secure Linux is a secure distribution of Linux that features
      improved access control, host and network intrusion detection, Web
      based secure remote management, e-commerce, and integrated open source
      security tools.
    
    OVERVIEW
    - --------
      This update fixes an integer overflow in the xdrmem_getbytes() function
      of glibc.
    
      The Common Vulnerabilities and Exposures project (cve.mitre.org) has
      assigned the name CAN-2003-0028 to this issue.
    
      All users are recommended to upgrade as soon as soon as possible.
    
    SOLUTION
    - --------
      Users of the EnGarde Professional edition can use the Guardian Digital
      Secure Network to update their systems automatically.
    
      EnGarde Community users should upgrade to the most recent version
      as outlined in this advisory.  Updates may be obtained from:
    
        ftp://ftp.engardelinux.org/pub/engarde/stable/updates/
        http://ftp.engardelinux.org/pub/engarde/stable/updates/
    
      Before upgrading the package, the machine must either:
    
        a) be booted into a "standard" kernel; or
        b) have LIDS disabled.
    
      To disable LIDS, execute the command:
    
        # /sbin/lidsadm -S -- -LIDS_GLOBAL
    
      To install the updated package, execute the command:
    
        # rpm -Uvh files
    
      You must now update the LIDS configuration by executing the command:
    
        # /usr/sbin/config_lids.pl
    
      To re-enable LIDS (if it was disabled), execute the command:
    
        # /sbin/lidsadm -S -- +LIDS_GLOBAL
    
      To verify the signatures of the updated packages, execute the command:
    
        # rpm -Kv files
    
    UPDATED PACKAGES
    - ----------------
      These updated packages are for EnGarde Secure Linux Community
      Edition.
    
      Source Packages:
    
        SRPMS/glibc-2.1.3-1.0.7.src.rpm
          MD5 Sum: 82227d98df4975ac5c60e0ac10914747
    
      Binary Packages:
    
        i386/glibc-2.1.3-1.0.7.i386.rpm
          MD5 Sum: 555c7d9d0f43887fe1c2ddf16eb1555b
    
    REFERENCES
    - ----------
      Guardian Digital's public key:
        http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY
    
      glibc's Official Web Site:
        http://www.gnu.org/software/glibc/
    
      Security Contact:   securityat_private
      EnGarde Advisories: http://www.engardelinux.org/advisories.html
    
    - --------------------------------------------------------------------------
    $Id: ESA-20030321-010-glibc,v 1.2 2003/03/21 15:33:36 rwm Exp $
    - --------------------------------------------------------------------------
    Author: Ryan W. Maple <ryanat_private>
    Copyright 2003, Guardian Digital, Inc.
    
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    Copyright(c) 2002 Guardian Digital, Inc.                EnGardeLinux.org
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