[KDE Security Advisory] ftp kioslave command injection
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KDE Security Advisory: ftp kioslave command injection
Original Release Date: 2005-01-01
URL: http://www.kde.org/info/security/advisory-20050101-1.txt
0. References
http://www.securityfocus.com/bid/11827
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1165
1. Systems affected:
All KDE releases up to including KDE 3.3.2.
2. Overview:
KDE applications which use the ftp kioslave, e.g. Konqueror, allow
remote attackers to execute arbitrary FTP commands via an ftp://
URL that contains an URL-encoded newline ( %0a ) before the ftp
command, which causes the commands to be inserted into the resulting
FTP session.
Due to similiarities between the ftp and the SMTP protocol, this
vulnerability allows to misuse the ftp slave to connect to a
SMTP server and issue arbitrary commands, like sending an email.
3. Impact:
The FTP kioslave can be misused to execute any ftp command on the
server or be a vector for sending out unsolicited email.
4. Solution:
Source code patches have been made available which fix these
vulnerabilities. Contact your OS vendor / binary package provider
for information about how to obtain updated binary packages.
5. Patch:
Patch for KDE 3.2.3 is available from
ftp://ftp.kde.org/pub/kde/security_patches :
a639b7b592f005e911c454a0a8c9c542 post-3.2.3-kdelibs-kioslave.patch
Patch for KDE 3.3.2 is available from
ftp://ftp.kde.org/pub/kde/security_patches :
fe67157b26a8cdf5bcfa1898cdf3b154 post-3.3.2-kdelibs-kioslave.patch
6. Time line and credits:
26/12/2004 Public bug report filed against kio_ftp by Thiago Macieira
about being able to send email via kio_ftp CR/LF injection.
26/12/2004 Patches developed by Thiago Macieira developed and applied
to CVS.
01/01/2005 Advisory released.
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