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Date: Wed, 11 Aug 2004 19:12:54 +0200
From: Waldo Bastian <bastian@....org>
To: bugtraq@...urityfocus.com
Subject: KDE Security Advisories: Temporary File and Konqueror Frame Injection Vulnerabilities
Three security advisories have been issued today for KDE. The first advisory
concerns the unsafe handling of KDE's temporary directory in certain
circumstances. The second advisory relates to the unsafe creation of
temporary files by KDE 3.2.x's dcopserver . The third advisory is about a
frame injection vulnerability in Konqueror as earlier reported by Heise
Online and Secunia
Distributions are expected to have updated binary packages available shortly.
All issues mentioned above have also been fixed in the KDE 3.3 Release
Candidate 2 that was announced yesterday . The final release of KDE 3.3 is
expected later this month.
Cheers,
Waldo
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KDE Security Advisory: Temporary Directory Vulnerability
Original Release Date: 2004-08-11
URL: http://www.kde.org/info/security/advisory-20040811-1.txt
0. References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0689
1. Systems affected:
All versions of KDE up to KDE 3.2.3 inclusive.
2. Overview:
The SUSE security team was alerted that in some cases the
integrity of symlinks used by KDE are not ensured and that
these symlinks can be pointing to stale locations. This can
be abused by a local attacker to create or truncate arbitrary
files or to prevent KDE applications from functioning
correctly (Denial of Service).
KDE creates in ~/.kde symlinks to a temporary directory, a socket
directory and a cache directory. When a user logs into the KDE
environment the startkde script ensures that these symlinks are
present and point to directories that are owned by the user.
However, when a user runs KDE applications outside the KDE
environment or when a user runs a KDE applications as another user,
such as root, the integrity of these symlinks is not checked and it
is possible that a previously created but now stale symlinks exist.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2004-0689 to this issue.
3. Impact:
When a stale symlink is present a local attacker could create the
directory that the symlink is pointing to with his own credentials
to prevent access to this directory by KDE applications. This can
prevent KDE applications from functioning correctly.
When a stale symlink is present a local attacker could create the
directory that the symlink is pointing to with his own credentials.
Since KDE applications will attempt to create files with certain
known names in this directory, an attacker can abuse this to overwrite
arbitrary files with the privileges of the user.
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:
Patches for KDE 3.0.5b are available from
ftp://ftp.kde.org/pub/kde/security_patches :
da950a651e69cd810019efce284120fc post-3.0.5b-kdelibs-kstandarddirs.patch
Patches for KDE 3.1.5 are available from
ftp://ftp.kde.org/pub/kde/security_patches :
c97ab0cf014adb59e315047210316f5d post-3.1.5-kdelibs-kstandarddirs.patch
Patches for KDE 3.2.3 are available from
ftp://ftp.kde.org/pub/kde/security_patches :
345ce2e01cfdfa4754c47894c0271dcc post-3.2.3-kdelibs-kstandarddirs.patch
6. Time line and credits:
23/06/2004 SUSE Security Team alerted by Andrew Tuitt
26/06/2004 Patches created
27/07/2004 Vendors notified
11/08/2004 Public advisory
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KDE Security Advisory: DCOPServer Temporary Filename Vulnerability
Original Release Date: 2004-08-11
URL: http://www.kde.org/info/security/advisory-20040811-2.txt
0. References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0690
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=261386
1. Systems affected:
KDE 3.2.x up to KDE 3.2.3 inclusive.
2. Overview:
The Debian project was alerted that KDE's DCOPServer creates
temporary files in an insecure manner. Since the temporary
files are used for authentication related purposes this can
potentially allow a local attacker to compromise the account of
any user which runs a KDE application.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2004-0690 to this issue.
3. Impact:
KDE's DCOPServer creates temporary files in an insecure manner.
Since the temporary files are used for authentication related
purposes this can potentially allow a local attacker to compromise
the account of any user which runs a KDE application.
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:
Patches for KDE 3.2.3 are available from
ftp://ftp.kde.org/pub/kde/security_patches :
0046c691fa833b2ff8d7eac15312a68b post-3.2.3-kdelibs-dcopserver.patch
6. Time line and credits:
25/07/2004 Debian Project alerted by Colin Phipps
26/07/2004 KDE Security team informed by Chris Cheney
26/07/2004 Patch created
27/07/2004 Vendors notified
11/08/2004 Public advisory
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KDE Security Advisory: Konqueror Frame Injection Vulnerability
Original Release Date: 2004-08-11
URL: http://www.kde.org/info/security/advisory-20040811-3.txt
0. References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0721
http://secunia.com/advisories/11978/
http://www.heise.de/newsticker/meldung/48793
http://bugs.kde.org/show_bug.cgi?id=84352
1. Systems affected:
All versions of KDE up to KDE 3.2.3 inclusive.
2. Overview:
The Konqueror webbrowser allows websites to load webpages into
a frame of any other frame-based webpage that the user may have open.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CAN-2004-0721 to this issue.
3. Impact:
A malicious website could abuse Konqueror to insert its own frames
into the page of an otherwise trusted website. As a result the user
may unknowingly send confidential information intended for the
trusted website to the malicious website.
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:
Patches for KDE 3.0.5b are available from
ftp://ftp.kde.org/pub/kde/security_patches :
aa3ac08a45851a1c33b2fcd435e1d514 post-3.0.5b-kdelibs-htmlframes.patch
dc4dfff2df75d19e527368f56dc92abb post-3.0.5b-kdebase-htmlframes.patch
Patches for KDE 3.1.5 are available from
ftp://ftp.kde.org/pub/kde/security_patches :
e6cebe1f93f7497d720018362077dcf7 post-3.1.5-kdelibs-htmlframes.patch
caa562da0735deacba3ae9170f2bf18f post-3.1.5-kdebase-htmlframes.patch
Patches for KDE 3.2.3 are available from
ftp://ftp.kde.org/pub/kde/security_patches :
8384f2785295be7082d9984ba8e175eb post-3.2.3-kdelibs-htmlframes.patch
a60fd1628607d4abdeb930662d126171 post-3.2.3-kdebase-htmlframes.patch
6. Time line and credits:
01/07/2004 Secunia publishes security advisory
04/08/2004 Patches created
05/08/2004 Vendors notified
11/08/2004 Public advisory
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