KDE FTP KIOslave: Command injection

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200501-18 / konqueror
Release Date	January 11, 2005
Latest Revision	January 12, 2005: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
kde-base/kdelibs	< 3.3.2-r2	>= 3.3.2-r2, revision >= 3.2.3-r5	All supported architectures

Related bugreports: #73759

Synopsis

The FTP KIOslave contains a bug allowing users to execute arbitrary FTP commands.

2. Impact Information

Background

KDE is a feature-rich graphical desktop environment for Linux and Unix-like Operating Systems. KDE provided KIOslaves for many protocols in the kdelibs package, one of them being FTP. These are used by KDE applications such as Konqueror.

Description

The FTP KIOslave fails to properly parse URL-encoded newline characters.

Impact

An attacker could exploit this to execute arbitrary FTP commands on the server and due to similiarities between the FTP and the SMTP protocol, this vulnerability also allows an attacker to connect to a SMTP server and issue arbitrary commands, for example sending an email.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All kdelibs users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose kde-base/kdelibs

4. References

Page updated January 11, 2005

Summary: This is a Gentoo Linux Security Advisory

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