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Debian 3.0 DSA 360-1 Critical: xfstt Remote Access Problem

debian
Calendar Grey August 1, 2003
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Addressing multiple vulnerabilities within xfstt, highlighting issues that may permit unapproved distant access and disruptions in service continuity.
There are multiple vulnerabilities in xfstt.

Summary

xfstt, a TrueType font server for the X window system was found to
contain two classes of vulnerabilities:

- - CAN-2003-0581: a remote attacker could send requests crafted to
trigger any of several buffer overruns, causing a denial of service or
possibly executing arbitrary code on the server with the privileges
of the "nobody" user.

- - CAN-2003-0625: certain invalid data sent during the connection
handshake could allow a remote attacker to read certain regions of
memory belonging to the xfstt process. This information could be
used for fingerprinting, or to aid in exploitation of a different
vulnerability.

For the current stable distribution (woody) these problems have been
fixed in version 1.2.1-3.

For the unstable distribution (sid), CAN-2003-0581 is fixed in xfstt
1.5-1, and CAN-2003-0625 will be fixed soon.

We recommend that you update your xfstt package.

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

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

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
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Critical

Package: xfstt

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