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Mandrake: 'sudo' buffer overflow Print E-mail
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Posted by LinuxSecurity.com Team   
Mandrake A buffer overflow exists in the sudo program which could be used by an attacker to obtain higher privileges.

________________________________________________________________________

                Linux-Mandrake Security Update Advisory
________________________________________________________________________

Package name:           sudo
Date:                   March 13th, 2001
Original Advisory Date: February 26th, 2001
Advisory ID:            MDKSA-2001:024-1

Affected versions:      7.1, 7.2, Corporate Server 1.0.1
________________________________________________________________________

Problem Description:

 A buffer overflow exists in the sudo program which could be used by an
 attacker to obtain higher privileges.  sudo is a program used to
 delegate superuser privileges to ordinary users and only for specific
 commands.

Update:

 The sudo package for 7.1 used the system-auth facility of newer pam
 versions and thus would not install or work correctly under Linux-
 Mandrake 7.1.  This update resolves the dependancy issue as well as
 provides the correct pam configuration file.
________________________________________________________________________

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:
23aaa7ed7c859a41fef0c1fade76c7aa  7.1/RPMS/sudo-1.6.3p6-1.3mdk.i586.rpm
6cbceea3dbffd9eba63008d5c18fea49  7.1/SRPMS/sudo-1.6.3p6-1.3mdk.src.rpm

Linux-Mandrake 7.2:
fe583824271ac2a5af6dd533027e8794  7.2/RPMS/sudo-1.6.3p6-1.1mdk.i586.rpm
2327674548ed850b078d3ae1badf7d2e  7.2/SRPMS/sudo-1.6.3p6-1.1mdk.src.rpm

Corporate Server 1.0.1:
99e75efab098e51b516f8030eafb2993  1.0.1/RPMS/sudo-1.6.3p6-1.2mdk.i586.rpm
672e152db4d8d0e742ad404cf81ca3d1  1.0.1/SRPMS/sudo-1.6.3p6-1.2mdk.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 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
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
________________________________________________________________________


 
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