Debian Security Advisory DSA 529-1                     security@debian.org 
Debian -- Security Information                              Matt Zimmerman
July 17th, 2004                          Debian -- Debian security FAQ 
- --------------------------------------------------------------------------

Package        : netkit-telnet-ssl
Vulnerability  : format string
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2004-0640

b0f discovered a format string vulnerability in netkit-telnet-ssl
which could potentially allow a remote attacker to cause the execution
of arbitrary code with the privileges of the telnet daemon (the
'telnetd' user by default).

For the current stable distribution (woody), this problem has been
fixed in version 0.17.17+0.1-2woody1.

For the unstable distribution (sid), this problem has been fixed in
version 0.17.24+0.1-2.

We recommend that you update your netkit-telnet-ssl 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
- --------------------------------

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

- ---------------------------------------------------------------------------------
For apt-get: deb  Debian -- Security Information  stable/updates main
For dpkg-ftp:    dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and  http://packages.debian.org/

Debian: netkit-telnet-ssl Format string vulnerability

July 22, 2004
Vulnerability in netkit-telnet-ssl could potentially allow a remote attacker to cause the execution of arbitrary code with the privileges of the telnet daemon.

Summary

b0f discovered a format string vulnerability in netkit-telnet-ssl
which could potentially allow a remote attacker to cause the execution
of arbitrary code with the privileges of the telnet daemon (the
'telnetd' user by default).

For the current stable distribution (woody), this problem has been
fixed in version 0.17.17+0.1-2woody1.

For the unstable distribution (sid), this problem has been fixed in
version 0.17.24+0.1-2.

We recommend that you update your netkit-telnet-ssl 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

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

For apt-get: deb Debian -- Security Information stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/



Severity
Package : netkit-telnet-ssl
Vulnerability : format string
Problem-Type : remote
Debian-specific: no
CVE Ids : CAN-2004-0640

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