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Mandrake Linux Security Update Advisory: xinetd

Jul 06, 2001, 16:00 (0 Talkback[s])

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                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           xinetd
Date:                   July 5th, 2001
Original Advisory Date: June 11th, 2001
Advisory ID:            MDKSA-2001:055-1

Affected versions:      7.2, 8.0, Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 A bug exists in xinetd as shipped with Mandrake Linux 8.0 dealing with
 TCP connections with the WAIT state that prevents linuxconf-web from
 working properly.  As well, xinetd contains a security flaw in which
 it defaults to a umask of 0.  This means that applications using the
 xinetd umask that do not set permissions themselves (like SWAT, a web
 configuration tool for Samba), will create world writable files.  This
 update sets the default umask to 022.

Update:

 This update forces the TMPDIR to /tmp instead of obtaining it from the
 root user by default, which uses /root/tmp.  As well, this version of
 xinetd also fixed a possible buffer overflow in the logging code that
 was reported by zen-parse on bugtraq, but was not mentioned in the
 previous advisory.
________________________________________________________________________

References:

 http://www.securityfocus.com/bid/2826
 http://www.securityfocus.com/bid/2840
________________________________________________________________________

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 Mandrake Linux 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 7.2:
681f8a35afdaea2781d4fc32d93993ab  7.2/RPMS/xinetd-2.3.0-1.2mdk.i586.rpm
1b3650c4d3bf4f110a795639fbf4000b  7.2/SRPMS/xinetd-2.3.0-1.2mdk.src.rpm

Mandrake Linux 8.0:
d9e1bdc5a29712a75608c4753f6d6490  8.0/RPMS/xinetd-2.3.0-1.1mdk.i586.rpm
9f95def40b777f13fc8339bf321b9547  8.0/RPMS/xinetd-ipv6-2.3.0-1.1mdk.i586.rpm
5820ae84905e550320601fe422a9a1b4  8.0/SRPMS/xinetd-2.3.0-1.1mdk.src.rpm

Single Network Firewall 7.2:
681f8a35afdaea2781d4fc32d93993ab  snf7.2/RPMS/xinetd-2.3.0-1.2mdk.i586.rpm
1b3650c4d3bf4f110a795639fbf4000b  snf7.2/SRPMS/xinetd-2.3.0-1.2mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):

3610 - linuxconf denial of service
________________________________________________________________________

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
Mandrake Linux 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 Mandrake Linux at:

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

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

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

security-announce@linux-mandrake.com

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

security-discuss@linux-mandrake.com

  Mandrake Linux's security discussion mailing list.  This list is open
  to anyone to discuss Mandrake Linux 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

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