Debian Security Advisory

DSA-530-1 l2tpd -- buffer overflow

Date Reported:
17 Jul 2004
Affected Packages:
l2tpd
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2004-0649.
More information:

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.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2.dsc
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2.diff.gz
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.1_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_sparc.deb

MD5 checksums of the listed files are available in the original advisory.