Debian 4.0 etch DSA-1801-1 Critical: NTP Buffer Overflow Risk

CVE-2009-0159

A buffer overflow in ntpq allow a remote NTP server to create a
denial of service attack or to execute arbitrary code via a crafted
response.

CVE-2009-1252

A buffer overflow in ntpd allows a remote attacker to create a
denial of service attack or to execute arbitrary code when the
autokey functionality is enabled.

For the old stable distribution (etch), these problems have been fixed in
version 4.2.2.p4+dfsg-2etch3.

For the stable distribution (lenny), these problems have been fixed in
version 4.2.4p4+dfsg-8lenny2.

The unstable distribution (sid) will be fixed soon.

We recommend that you upgrade your ntp 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...