DSA 530-1: New l2tpd packages fix buffer overflow
Posted on: 07/18/2004 08:12 AM

New l2tpd packages are available for Debian GNU/Linux

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Debian Security Advisory DSA 530-1 security@debian.org
http://www.debian.org/security/ Matt Zimmerman
July 17th, 2004 http://www.debian.org/security/faq
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Package : l2tpd
Vulnerability : buffer overflow
Problem-Type : remote
Debian-specific: no
CVE Ids : CAN-2004-0649

Thomas Walpuski reported a buffer overflow in l2tpd, an implementation of the layer 2 tunneling protocol, whereby a remote attacker could potentially cause arbitrary code to be executed by transmitting a specially crafted packet. The exploitability of this vulnerability has not been verified.

For the current stable distribution (woody), this problem has been fixed in version 0.67-1.2.

For the unstable distribution (sid), this problem has been fixed in version 0.70-pre20031121-2.

We recommend that you update your l2tpd package.

Upgrade Instructions
---------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the footer to the proper configuration.

Debian GNU/Linux 3.0 alias woody
---------------------------------

Source archives:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2.dsc
Size/MD5 checksum: 556 7dea8c1dda28eeea5d17f2e3eef27ef6
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2.diff.gz
Size/MD5 checksum: 2756 fd3fcde3269326d01187ee6e860c0219
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67.orig.tar.gz
Size/MD5 checksum: 121685 d40065070e34c44389e4c749b61916c6

Alpha architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.1_alpha.deb
Size/MD5 checksum: 99940 a3caa77d343536f68753ea64aa336a45

ARM architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_arm.deb
Size/MD5 checksum: 90958 5030f6fcd05f33875542e4c1da3e553f

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_i386.deb
Size/MD5 checksum: 87946 456410152e2a33ceb07acff26b0dea61

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_ia64.deb
Size/MD5 checksum: 110936 12debc780c212f23ae5b8c313e2e51f1

HP Precision architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_hppa.deb
Size/MD5 checksum: 95130 35687ebaea9442cef6e93b838071da97

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_m68k.deb
Size/MD5 checksum: 84972 fd4e1e3016d651eeecc3e3af6df67511

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mips.deb
Size/MD5 checksum: 94778 c757bcea1d651ba7a5e995edaad2fe9e

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mipsel.deb
Size/MD5 checksum: 95122 2ca8db2f234ac416791c09b9b3b1de68

PowerPC architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_powerpc.deb
Size/MD5 checksum: 89470 3ef1b4d68491e25efe134331d90fd01c

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_s390.deb
Size/MD5 checksum: 88580 52bd54f9df953734be455a3b595db411

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_sparc.deb
Size/MD5 checksum: 91992 34513399dd07a1aed7f4b96904f5a2db

These files will probably be moved into the stable distribution on its next revision.


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