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Red Hat 6.2: 'XEmacs' vulnerability Print E-mail
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Posted by Team   
RedHat Linux The XEmacs package as shipped with Red Hat PowerTools 6.2 has a securityproblem with gnuserv and gnuclient, due to a buffer overflow and weaksecurity.

                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated XEmacs packages available for Red Hat Powertools 6.2
Advisory ID:       RHSA-2001:011-03
Issue date:        2001-02-02
Updated on:        2001-02-06
Product:           Red Hat Powertools
Keywords:           xemacs gnuserv gnuclient
Cross references:  

1. Topic:

2. Relevant releases/architectures:

Red Hat Powertools 6.2 - alpha, i386, sparc

3. Problem description:

The XEmacs package as shipped with Red Hat PowerTools 6.2 has a security
problem with gnuserv and gnuclient, due to a buffer overflow and weak

Note that this package obsoletes xemacs-mule (this is now compiled into the
main binary), xemacs-static, xemacs-extras and xemacs-noX, as this is a
backport of a newer xemacs package.

4. Solution:

To update all RPMs for your particular architecture, run:

rpm -Fvh 

where  is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the desired RPMs.

Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:


This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed  (http://bugzilla.Red for more info):

6. RPMs required:

Red Hat Powertools 6.2:




7. Verification:

MD5 sum                           Package Name
963901255ab8377baf92bcc8f3ec30b3  6.2/alpha/xemacs-21.1.14-2.62.alpha.rpm
c1fa617399ff85af31c5d31e314249a8  6.2/alpha/xemacs-el-21.1.14-2.62.alpha.rpm
e190d32da1a92132d53ee734a93b43cb  6.2/alpha/xemacs-info-21.1.14-2.62.alpha.rpm
661aae1be3097c403df3d38eb5f6ae80  6.2/i386/xemacs-21.1.14-2.62.i386.rpm
03fab61adb2f874f95dfc895e1ede878  6.2/i386/xemacs-el-21.1.14-2.62.i386.rpm
bae82e4622a0b4b810eaa690446442b5  6.2/i386/xemacs-info-21.1.14-2.62.i386.rpm
5c4a36734b54ebd3be33e9404bbcb8e6  6.2/sparc/xemacs-21.1.14-2.62.sparc.rpm
ef99cb1d6d1d2a0f90f034d4a3a0697f  6.2/sparc/xemacs-el-21.1.14-2.62.sparc.rpm
e4a34278881cc1ec29f817bbcfc8f52b  6.2/sparc/xemacs-info-21.1.14-2.62.sparc.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:

You can verify each package with the following command:
    rpm --checksig  

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    rpm --checksig --nogpg 

8. References:

Copyright(c) 2000, 2001 Red Hat, Inc.

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