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Mandrake: 'joe' symlink vulnerability Print E-mail
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Posted by Team   
Mandrake When exiting joe in a non-standard way (such as a system crash, closing an xterm, or a network connection going down), joe will unconditionally append its open buffers to the file DEADJOE.


                Linux-Mandrake Security Update Advisory

Package name:           joe
Date:                   November 20th, 2000
Advisory ID:            MDKSA-2000:072

Affected versions:      6.0, 6.1, 7.0, 7.1, 7.2

Problem Description:

 When exiting joe in a non-standard way (such as a system crash, closing
 an xterm, or a network connection going down), joe will unconditionally
 append its open buffers to the file DEADJOE.  This can be exploited by
 the creation of DEADJOE symlinks in directories where root would 
 normally use joe.  In this way, joe could be used to append garbage to
 potentially sensitive files, resulting in a denial of service or other

 Users of Linux-Mandrake 7.0 and earlier should also note that joe's
 configuration files have moved from /usr/lib/joe to /etc/joe.

Please verify these md5 checksums of the updates prior to upgrading to
ensure the integrity of the downloaded package.  You can do this by
running the md5sum program on the downloaded package by using
"md5sum package.rpm".

Linux-Mandrake 6.0:
13d170b6ea743268d043d27ec13125b2  6.0/RPMS/joe-2.8-21.3mdk.i586.rpm
65c55ab73e66ea67ded58fb77a5fc7ea  6.0/SRPMS/joe-2.8-21.3mdk.src.rpm

Linux-Mandrake 6.1:
8078bad4421a6e7090b23f6cf1f457df  6.1/RPMS/joe-2.8-21.3mdk.i586.rpm
65c55ab73e66ea67ded58fb77a5fc7ea  6.1/SRPMS/joe-2.8-21.3mdk.src.rpm

Linux-Mandrake 7.0:
51c84ed7c0d859ae7c08414b92f54acc  7.0/RPMS/joe-2.8-21.3mdk.i586.rpm
65c55ab73e66ea67ded58fb77a5fc7ea  7.0/SRPMS/joe-2.8-21.3mdk.src.rpm

Linux-Mandrake 7.1:
970975000a64dc08d8498f8d3e5d25f8  7.1/RPMS/joe-2.8-21.2mdk.i586.rpm
09652438758712eff7e04380c5d73013  7.1/SRPMS/joe-2.8-21.2mdk.src.rpm

Linux-Mandrake 7.2:
409c7433858b819619f481597fbb18ea  7.2/RPMS/joe-2.8-21.1mdk.i586.rpm
736f08c1c8633667075e0d7f395b9697  7.2/SRPMS/joe-2.8-21.1mdk.src.rpm

To upgrade automatically, use « MandrakeUpdate ».  

If you want to upgrade manually, download the updated package from one 
of our FTP server mirrors and uprade with "rpm -Fvh *.rpm".  

You can download the updates directly from one of the mirror sites
listed at:  

Updated packages are available in the "updates/[ver]/RPMS/" directory.  
For example, if you are looking for an updated RPM package for
Linux-Mandrake 7.2, look for it in "updates/7.2/RPMS/".  Updated source
RPMs are available as well, but you generally do not need to download

Please be aware that sometimes it takes the mirrors a few hours to 
update, so if you want an immediate upgrade, please use one of the two 
above-listed mirrors.

You can view other security advisories for Linux-Mandrake at:

If you want to report vulnerabilities, please contact

Linux-Mandrake has two security-related mailing list services that 
anyone can subscribe to:

  Linux-Mandrake's security announcements mailing list.  Only 
  announcements are sent to this list and it is read-only.

  Linux-Mandrake's security discussion mailing list.  This list is open
  to anyone to discuss Linux-Mandrake security specifically and Linux
  security in general.

To subscribe to either list, send a message to
with "subscribe [listname]" in the body of the message.

To remove yourself from either list, send a message to
with "unsubscribe [listname]" in the body of the message.

To get more information on either list, send a message to
with "info [listname]" in the body of the message.

Optionally, you can use the web interface to subscribe to or unsubscribe
from either list:

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team 

Version: GnuPG v1.0.1 (GNU/Linux)
Comment: For info see


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