Directory traversal vulnerability in torrent.cpp in KTorrent before 2.1.3 only checks for the ".." string, which allows remote attackers to overwrite arbitrary files via modified ".." sequences in a torrent filename, as demonstrated by "../" sequences, due to an incomplete fix for CVE-2007-1384.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33566
https://bugs.gentoo.org/show_bug.cgi?id=170303
http://www.ubuntu.com/usn/usn-436-2
http://www.securityfocus.com/bid/23745
http://www.novell.com/linux/security/advisories/2007_007_suse.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:095
http://www.debian.org/security/2007/dsa-1373
http://security.gentoo.org/glsa/glsa-200705-01.xml
http://secunia.com/advisories/26773
http://secunia.com/advisories/25097