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Debian 3.0 357-1 Moderate: wu-ftpd Root Access Buffer Overflow

debian
Calendar Grey August 1, 2003
Debian Logo
Critical buffer overflow detected in wu-ftpd, demanding immediate security audit and package upgrade for Debian users.
iSEC Security Research reports that wu-ftpd contains an off-by-one bugin the fb_realpath function which could be exploited by a logged-in user(local or anonymous) to gain root priv...

Summary

iSEC Security Research reports that wu-ftpd contains an off-by-one bug
in the fb_realpath function which could be exploited by a logged-in user
(local or anonymous) to gain root privileges. A demonstration exploit is
reportedly available.

For the current stable distribution (woody) this problem has been fixed
in version 2.6.2-3woody1.

For the unstable distribution (sid) an update will be available shortly.

We recommend you upgrade your wu-ftpd package immediately.

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 3.0 (stable)
- -------------------

Stable was released for alpha, arm, hppa, i386, ia64,...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Package: wu-ftpd

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