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________________________________________________________________________

                Linux-Mandrake Security Update Advisory
________________________________________________________________________

Package name:           hylafax
Date:                   April 24th, 2001
Advisory ID:            MDKSA-2001:041

Affected versions:      7.1, 7.2, Corporate Server 1.0.1
________________________________________________________________________

Problem Description:

 A problem exists with the HylaFAX program, hfaxd.  When hfaxd tries to
 change it's queue directory and fails, it prints an error message via
 syslog by directly passing user supplied data as the format string.  If
 hfaxd is installed setuid root, this behaviour can be exploited to gain
 root access locally.  Note that Linux-Mandrake does not ship hfaxd
 setuid root by default.
________________________________________________________________________

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:
  rpm --checksig package.rpm
You can get the GPG public key of the Linux-Mandrake Security Team at
  http://www.linux-mandrake.com/en/security/RPM-GPG-KEYS
If you use MandrakeUpdate, the verification of md5 checksum and GPG
signature is performed automatically for you.

Linux-Mandrake 7.1:
ee6eab1c642154d5322dbd352f52b624  7.1/RPMS/hylafax-4.1-0.10mdk.i586.rpm
b73c45f4ee1c4f491fcdedc91ac45030  7.1/RPMS/hylafax-client-4.1-0.10mdk.i586.rpm
cfebff780619fe410c20a131d0e8e9b3  7.1/RPMS/hylafax-server-4.1-0.10mdk.i586.rpm
d5beb2e46136d5828c1de8048ad8572e  7.1/SRPMS/hylafax-4.1-0.10mdk.src.rpm

Linux-Mandrake 7.2:
bb5496fcdf2be7c4cf1a235797ef3317  7.2/RPMS/hylafax-4.1-0.9mdk.i586.rpm
12dbc8359e7e7a179d9df0ff763b7b5d  7.2/RPMS/hylafax-client-4.1-0.9mdk.i586.rpm
2a5394dca8c6629179f2182ffae55329  7.2/RPMS/hylafax-server-4.1-0.9mdk.i586.rpm
9aca03bb7cabaf127cf25b5a810c7d92  7.2/SRPMS/hylafax-4.1-0.9mdk.src.rpm

Corporate Server 1.0.1:
ee6eab1c642154d5322dbd352f52b624  1.0.1/RPMS/hylafax-4.1-0.10mdk.i586.rpm
b73c45f4ee1c4f491fcdedc91ac45030 
 1.0.1/RPMS/hylafax-client-4.1-0.10mdk.i586.rpm
cfebff780619fe410c20a131d0e8e9b3 
 1.0.1/RPMS/hylafax-server-4.1-0.10mdk.i586.rpm
d5beb2e46136d5828c1de8048ad8572e  1.0.1/SRPMS/hylafax-4.1-0.10mdk.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 upgrade with "rpm -Fvh *.rpm".

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

  http://www.linux-mandrake.com/en/ftp.php3.

Updated packages are available in the "updates/[ver]/RPMS/" directory.
For example, if you are looking for an updated RPM package for
Linux-Mandrake 8.0, look for it in "updates/8.0/RPMS/".  Updated source
RPMs are available as well, but you generally do not need to download
them.

Please be aware that sometimes it takes the mirrors a few hours to
update.

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

  http://www.linux-mandrake.com/en/security/

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

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

security-announce@linux-mandrake.com

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

security-discuss@linux-mandrake.com

  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
  sympa@linux-mandrake.com
with "subscribe [listname]" in the body of the message.

To remove yourself from either list, send a message to
  sympa@linux-mandrake.com
with "unsubscribe [listname]" in the body of the message.

To get more information on either list, send a message to
  sympa@linux-mandrake.com
with "info [listname]" in the body of the message.

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

  http://www.linux-mandrake.com/en/flists.php3#security
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


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