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Home » Hacking News » Mandrake MDKSA-2003:042: sendmail buffer overflow

Mandrake MDKSA-2003:042: sendmail buffer overflow

by Nikola Strahija on April 2nd, 2003 Buffer overflow vulnerability has been found in all versions of Sendmail earlier than 8.12.9, which may allow local and possibly remote attackers to take control of sendmail.


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________________________________________________________________________

Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: sendmail
Advisory ID: MDKSA-2003:042
Date: April 1st, 2003

Affected versions: 8.2, 9.0, 9.1, Corporate Server 2.1
________________________________________________________________________

Problem Description:

Michal Zalweski discovered a vulnerability in sendmail versions earlier
than 8.12.9 in the address parser, which performs insufficient bounds
checking in certain conditions due to a char to int conversion. This
vulnerability makes it poissible for an attacker to take control of
sendmail and is thought to be remotely exploitable, and very likely
locally exploitable. Updated packages are available with patches
applied (the older versions), and the new fixed version is available
for Mandrake Linux 9.1 users.
________________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0161
http://www.cert.org/advisories/CA-2003-12.html
________________________________________________________________________

Updated Packages:

Corporate Server 2.1:
936bc5c0c0f8ea6c25bf72e446de299c corporate/2.1/RPMS/sendmail-8.12.6-3.3mdk.i586.rpm
eec9e33317e3a83c7937e2d52b8a4d1d corporate/2.1/RPMS/sendmail-cf-8.12.6-3.3mdk.i586.rpm
f7dfb57bb4b1c4aa62730dbda7f3d369 corporate/2.1/RPMS/sendmail-devel-8.12.6-3.3mdk.i586.rpm
d08964d47957e529f676f793a24377f8 corporate/2.1/RPMS/sendmail-doc-8.12.6-3.3mdk.i586.rpm
bbb8ff5ea8fa361acb659c656b51e022 corporate/2.1/SRPMS/sendmail-8.12.6-3.3mdk.src.rpm

Mandrake Linux 8.2:
1c0af110218318e5808b668b93300c81 8.2/RPMS/sendmail-8.12.1-4.3mdk.i586.rpm
47e33874a99e9ca6f01fe30245601732 8.2/RPMS/sendmail-cf-8.12.1-4.3mdk.i586.rpm
0a6a2cafa619120290f7a13008a76d6e 8.2/RPMS/sendmail-devel-8.12.1-4.3mdk.i586.rpm
804ca3677444d79591dda2943b982344 8.2/RPMS/sendmail-doc-8.12.1-4.3mdk.i586.rpm
a3ca71deb8ce1bee26450b37c2599d86 8.2/SRPMS/sendmail-8.12.1-4.3mdk.src.rpm

Mandrake Linux 8.2/PPC:
2a046fc0faf7a98a0e13c92eb6d873ad ppc/8.2/RPMS/sendmail-8.12.1-4.3mdk.ppc.rpm
8fd523e0f2acd7243be280ec2caccbc8 ppc/8.2/RPMS/sendmail-cf-8.12.1-4.3mdk.ppc.rpm
16c77c7037d5481244adc2ffb79ef1ee ppc/8.2/RPMS/sendmail-devel-8.12.1-4.3mdk.ppc.rpm
0974d0f876c572d728e92615cc43a17b ppc/8.2/RPMS/sendmail-doc-8.12.1-4.3mdk.ppc.rpm
a3ca71deb8ce1bee26450b37c2599d86 ppc/8.2/SRPMS/sendmail-8.12.1-4.3mdk.src.rpm

Mandrake Linux 9.0:
936bc5c0c0f8ea6c25bf72e446de299c 9.0/RPMS/sendmail-8.12.6-3.3mdk.i586.rpm
eec9e33317e3a83c7937e2d52b8a4d1d 9.0/RPMS/sendmail-cf-8.12.6-3.3mdk.i586.rpm
f7dfb57bb4b1c4aa62730dbda7f3d369 9.0/RPMS/sendmail-devel-8.12.6-3.3mdk.i586.rpm
d08964d47957e529f676f793a24377f8 9.0/RPMS/sendmail-doc-8.12.6-3.3mdk.i586.rpm
bbb8ff5ea8fa361acb659c656b51e022 9.0/SRPMS/sendmail-8.12.6-3.3mdk.src.rpm

Mandrake Linux 9.1:
232b421e807ce785d62968c86beb0330 9.1/RPMS/sendmail-8.12.9-1.1mdk.i586.rpm
866fdcc317c10edda1e7627a1d738b1d 9.1/RPMS/sendmail-cf-8.12.9-1.1mdk.i586.rpm
6d5ac7e3833f599ea1e6567b3e084841 9.1/RPMS/sendmail-devel-8.12.9-1.1mdk.i586.rpm
cb642ab772b9f9cdf7a5a0003f3871e6 9.1/RPMS/sendmail-doc-8.12.9-1.1mdk.i586.rpm
0188091a674ce41d037dab6a8ed2ebc4 9.1/SRPMS/sendmail-8.12.9-1.1mdk.src.rpm

Mandrake Linux 9.1/PPC:
95526c7c57716fc2bc10c3b7e1dc8195 ppc/9.1/RPMS/sendmail-8.12.9-1.1mdk.ppc.rpm
4055fb1535090054d4371786a39642ec ppc/9.1/RPMS/sendmail-cf-8.12.9-1.1mdk.ppc.rpm
8436c32ccecc0e4ba80e3baaec1fec87 ppc/9.1/RPMS/sendmail-devel-8.12.9-1.1mdk.ppc.rpm
e9d0f08231de33de41824abd139eba71 ppc/9.1/RPMS/sendmail-doc-8.12.9-1.1mdk.ppc.rpm
0188091a674ce41d037dab6a8ed2ebc4 ppc/9.1/SRPMS/sendmail-8.12.9-1.1mdk.src.rpm
________________________________________________________________________

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

To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:

http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:

rpm --checksig

All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

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

You can view other update advisories for Mandrake Linux at:

http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:

http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

security_linux-mandrake.com

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


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