(Red Hat Issues Fix for Red Hat Linux) KDE kdepim VCF Reader Buffer Overflow Lets Users Execute Arbitrary Commands
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SecurityTracker Alert ID: 1008723 |
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SecurityTracker URL: http://securitytracker.com/id/1008723
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CVE Reference:
CAN-2003-0988
(Links to External Site)
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Updated: Jan 15 2004
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Original Entry Date: Jan 14 2004
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Impact:
Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via local system, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): KDE 3.1.0 - 3.1.4
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Description:
A buffer overflow vulnerability was reported in the kdepim component of KDE. A local or remote user can cause a target user to execute arbitrary commands.
It is reported that the KDE team discovered a buffer overflow in the reading of '.VCF' files. A local or remote user can create a specially crafted .VCF file that, when read by the target user's kdepim, will cause arbitrary commands to be executed on the target user's system. The commands will run with the privileges of the target user.
It is reported that file information reading is disabled by default for remote files. However, if the target user has enabled previews for remote files, then this flaw may be exploited by remote users.
The following notification timeline is provided:
15/12/2003 KDE developer Dirk Mueller discovers vulnerability.
15/12/2003 Patches for the vulnerability are applied to CVS and release preparations for KDE 3.1.5 are started.
14/01/2004 Public advisory.
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Impact:
A user can create a VCF file that, when viewed by the target user, will cause arbitrary code to be executed on the target user's computer with the privileges of the target user.
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Solution:
Red Hat has released a fix.
Red Hat Linux 9:
SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/kdepim-3.1-6.src.rpm
i386:
ftp://updates.redhat.com/9/en/os/i386/kdepim-3.1-6.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/kdepim-devel-3.1-6.i386.rpm
The verification checksusms are:
MD5 sum Package Name
321f8aba915e8008150a4c9b69b3e161 9/en/os/SRPMS/kdepim-3.1-6.src.rpm
414e36538ebef58c63f9c5e4b299d35f 9/en/os/i386/kdepim-3.1-6.i386.rpm
69e81163e29537f303fc294886ad8103 9/en/os/i386/kdepim-devel-3.1-6.i386.rpm
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Vendor URL: www.kde.org/info/security/advisory-20040114-1.txt (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Red Hat Linux)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Wed, 14 Jan 2004 09:06 -0500
Subject: [RHSA-2004:006-01] Updated kdepim packages resolve security vulnerability
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- ---------------------------------------------------------------------
Red Hat Security Advisory
Synopsis: Updated kdepim packages resolve security vulnerability
Advisory ID: RHSA-2004:006-01
Issue date: 2004-01-07
Updated on: 2004-01-07
Product: Red Hat Linux
Keywords:
Cross references:
Obsoletes:
CVE Names: CAN-2003-0988
- ---------------------------------------------------------------------
1. Topic:
Updated kdepim packages are now available that fix a local buffer overflow
vulnerability.
2. Relevant releases/architectures:
Red Hat Linux 9 - i386
3. Problem description:
The K Desktop Environment (KDE) is a graphical desktop for the X Window
System. The KDE Personal Information Management (kdepim) suite helps you to
organize your mail, tasks, appointments, and contacts.
The KDE team found a buffer overflow in the file information reader of
VCF files. An attacker could construct a VCF file so that when it was
opened by a victim it would execute arbitrary commands. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2003-0988 to this issue.
Users of kdepim are advised to upgrade to these erratum packages, which
contain a backported security patch that corrects this issue.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
If up2date fails to connect to Red Hat Network due to SSL
Certificate Errors, you need to install a version of the
up2date client with an updated certificate. The latest version of
up2date is available from the Red Hat FTP site and may also be
downloaded directly from the RHN website:
https://rhn.redhat.com/help/latest-up2date.pxt
5. RPMs required:
Red Hat Linux 9:
SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/kdepim-3.1-6.src.rpm
i386:
ftp://updates.redhat.com/9/en/os/i386/kdepim-3.1-6.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/kdepim-devel-3.1-6.i386.rpm
6. Verification:
MD5 sum Package Name
- --------------------------------------------------------------------------
321f8aba915e8008150a4c9b69b3e161 9/en/os/SRPMS/kdepim-3.1-6.src.rpm
414e36538ebef58c63f9c5e4b299d35f 9/en/os/i386/kdepim-3.1-6.i386.rpm
69e81163e29537f303fc294886ad8103 9/en/os/i386/kdepim-devel-3.1-6.i386.rpm
These packages are GPG signed by Red Hat for security. Our key is
available from https://www.redhat.com/security/keys.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
7. References:
http://www.kde.org/info/security/advisory-20040114-1.txt
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0988
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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