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Mandrake: 'fetchmail' input validation error Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Mandrake A vulnerability was found by Salvatore Sanfilippo in both the IMAP and POP3 code of fetchmail where the input is not verified and no bounds checking is done.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           fetchmail
Date:                   August 31st, 2001
Advisory ID:            MDKSA-2001:072

Affected versions:      7.1, 7.2, 8.0, Corporate Server 1.0.1
________________________________________________________________________

Problem Description:

 A vulnerability was found by Salvatore Sanfilippo in both the IMAP and
 POP3 code of fetchmail where the input is not verified and no bounds
 checking is done.  This can be exploited by a remote attacker to write
 arbitrary data into memory.  The attacker must have control of the mail
 server the client is connecting to via fetchmail in order to exploit
 this vulnerability.
________________________________________________________________________

References:

________________________________________________________________________

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 7.1:
ff5474afdc3969147bb460561327c6d0  7.1/RPMS/fetchmail-5.3.8-4.2mdk.i586.rpm
32f4be82c09adfbe0c61ce748982c4f8  7.1/RPMS/fetchmailconf-5.3.8-4.2mdk.i586.rpm
12d83eef760314bd3ecfacf9910e0119  7.1/SRPMS/fetchmail-5.3.8-4.2mdk.src.rpm

Linux-Mandrake 7.2:
30968c4a530d86aef6eb8a035e1fb0f4  7.2/RPMS/fetchmail-5.5.2-5.2mdk.i586.rpm
691a814f4bf4d42c9a9175a393be1861  7.2/RPMS/fetchmail-daemon-5.5.2-5.2mdk.i586.rpm
a757421dc5d03124a64c360631d6bdd9  7.2/RPMS/fetchmailconf-5.5.2-5.2mdk.i586.rpm
654e13cf2049db36d4f7ddc9ed8a7e01  7.2/SRPMS/fetchmail-5.5.2-5.2mdk.src.rpm

Mandrake Linux 8.0:
d3d60c3ff5b5a07869a10b3f9519a592  8.0/RPMS/fetchmail-5.7.4-5.2mdk.i586.rpm
c7eb824dd7f7b4cd5144bf9d13608388  8.0/RPMS/fetchmail-daemon-5.7.4-5.2mdk.i586.rpm
dd686925435feb7777ff93e19e136897  8.0/RPMS/fetchmailconf-5.7.4-5.2mdk.i586.rpm
9bfd4b3ee6f4f4dab297d735eb5c81c4  8.0/SRPMS/fetchmail-5.7.4-5.2mdk.src.rpm

Mandrake Linux 8.0 (PPC):
e04c544cfd8eb8f4d76bde638a462b0e  ppc/8.0/RPMS/fetchmail-5.7.4-5.2mdk.ppc.rpm
25af9f4b03072a6a55927da8469c1b12  ppc/8.0/RPMS/fetchmail-daemon-5.7.4-5.2mdk.ppc.rpm
49712c3b104eeace680f92cd61de933c  ppc/8.0/RPMS/fetchmailconf-5.7.4-5.2mdk.ppc.rpm
4302ccfec542787c01bea6518df42920  ppc/8.0/SRPMS/fetchmail-5.7.4-5.2mdk.src.rpm

Corporate Server 1.0.1:
ff5474afdc3969147bb460561327c6d0  1.0.1/RPMS/fetchmail-5.3.8-4.2mdk.i586.rpm
32f4be82c09adfbe0c61ce748982c4f8  1.0.1/RPMS/fetchmailconf-5.3.8-4.2mdk.i586.rpm
12d83eef760314bd3ecfacf9910e0119  1.0.1/SRPMS/fetchmail-5.3.8-4.2mdk.src.rpm
________________________________________________________________________

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

________________________________________________________________________

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
________________________________________________________________________

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


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Version: GnuPG v1.0.5 (GNU/Linux)
Comment: For info see  http://www.gnupg.org

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