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Debian: DSA-1967-1 Critical: Transmission Directory Traversal Exploit

debian
Calendar Grey January 7, 2010
Debian Logo
Ensure your Transmission installation on Debian is secure by following the upgrade steps outlined for avoiding file overwrite vulnerabilities
Dan Rosenberg discovered that Transmission, a lightwight client for the Bittorrent filesharing protocol performs insufficient sanitising of file names specified in .torrent files

Summary

Dan Rosenberg discovered that Transmission, a lightwight client for
the Bittorrent filesharing protocol performs insufficient sanitising
of file names specified in .torrent files. This could lead to the
overwrite of local files with the privileges of the user running
Transmission if the user is tricked into opening a malicious torrent
file.

For the stable distribution (lenny), this problem has been fixed in
version 1.22-1+lenny2.

For the unstable distribution (sid), this problem has been fixed in
version 1.77-1.

We recommend that you upgrade your transmission packages.

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 config...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: transmission

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