Exploit the possiblities

KDE Security Advisory 2005-01-01.1

KDE Security Advisory 2005-01-01.1
Posted Jan 5, 2005
Authored by KDE Desktop | Site kde.org

KDE Security Advisory: 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 similarities 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. Systems affected: All KDE releases up to including KDE 3.3.2.

tags | advisory, remote, arbitrary, protocol
advisories | CVE-2004-1165
MD5 | 3af2dd0e12572e297f77d9a3106813fb

KDE Security Advisory 2005-01-01.1

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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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