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USN-885-1: Transmission vulnerabilities

18 January 2010

Transmission vulnerabilities




It was discovered that the Transmission web interface was vulnerable to
cross-site request forgery (CSRF) attacks. If a user were tricked into
opening a specially crafted web page in a browser while Transmission was
running, an attacker could trigger commands in Transmission. This issue
affected Ubuntu 9.04. (CVE-2009-1757)

Dan Rosenberg discovered that Transmission did not properly perform input
validation when processing torrent files. If a user were tricked into
opening a crafted torrent file, an attacker could overwrite files via
directory traversal. (CVE-2010-0012)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04

After a standard system upgrade you need to restart Transmission to effect
the necessary changes.