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Message-ID: <200306031318.h53DI8414120@porkchop.devel.redhat.com>
Date: Tue, 3 Jun 2003 09:18 -0400
From: bugzilla@...hat.com
To: redhat-watch-list@...hat.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: [RHSA-2003:047-01] Updated kon2 packages fix buffer overflow
---------------------------------------------------------------------
Red Hat Security Advisory
Synopsis: Updated kon2 packages fix buffer overflow
Advisory ID: RHSA-2003:047-01
Issue date: 2003-06-03
Updated on: 2003-06-03
Product: Red Hat Linux
Keywords: flaw:buf
Cross references:
Obsoletes:
CVE Names: CAN-2002-1155
---------------------------------------------------------------------
1. Topic:
A buffer overflow in kon2 allows local users to obtain root privileges.
2. Relevant releases/architectures:
Red Hat Linux 7.1 - i386
Red Hat Linux 7.2 - i386
Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386
Red Hat Linux 9 - i386
3. Problem description:
KON is a Kanji emulator for the console. There is a buffer overflow
vulnerability in the command line parsing code portion of the kon program
up to and including version 0.3.9b. This vulnerability, if appropriately
exploited, can lead to local users being able to gain elevated (root)
privileges.
All users of kon2 should update to these erratum packages, which contain a
patch to fix this vulnerability.
Red Hat would like to thank Janusz Niewiadomski for notifying us of 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.
5. RPMs required:
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/kon2-0.3.9b-14.7.1.1.src.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/kon2-0.3.9b-14.7.1.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/kon2-fonts-0.3.9b-14.7.1.1.i386.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/kon2-0.3.9b-14.7.2.1.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/kon2-0.3.9b-14.7.2.1.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/kon2-fonts-0.3.9b-14.7.2.1.i386.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/kon2-0.3.9b-14.7.3.1.src.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/kon2-0.3.9b-14.7.3.1.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/kon2-fonts-0.3.9b-14.7.3.1.i386.rpm
Red Hat Linux 8.0:
SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/kon2-0.3.9b-14.8.src.rpm
i386:
ftp://updates.redhat.com/8.0/en/os/i386/kon2-0.3.9b-14.8.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/kon2-fonts-0.3.9b-14.8.i386.rpm
Red Hat Linux 9:
SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/kon2-0.3.9b-16.9.src.rpm
i386:
ftp://updates.redhat.com/9/en/os/i386/kon2-0.3.9b-16.9.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/kon2-fonts-0.3.9b-16.9.i386.rpm
6. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
0289e31f63320d2f84c2beaf9cf6ef49 7.1/en/os/SRPMS/kon2-0.3.9b-14.7.1.1.src.rpm
d77165936d298ce7c969937c0e9fbca5 7.1/en/os/i386/kon2-0.3.9b-14.7.1.1.i386.rpm
78bc900bfc78592edd2b14ace6a732b4 7.1/en/os/i386/kon2-fonts-0.3.9b-14.7.1.1.i386.rpm
9eede3a219a6b919417a00fa98555fbc 7.2/en/os/SRPMS/kon2-0.3.9b-14.7.2.1.src.rpm
8b47054bffc8e0b64173754d76a64e3c 7.2/en/os/i386/kon2-0.3.9b-14.7.2.1.i386.rpm
fde443c9a5a521dadaae7db8aff7bb55 7.2/en/os/i386/kon2-fonts-0.3.9b-14.7.2.1.i386.rpm
866928fea6409886d0c5444391e1eb78 7.3/en/os/SRPMS/kon2-0.3.9b-14.7.3.1.src.rpm
abf520070c1ddb5d8666749f8e340bb1 7.3/en/os/i386/kon2-0.3.9b-14.7.3.1.i386.rpm
0d845ebf3fe6890a1d52ebbca4020577 7.3/en/os/i386/kon2-fonts-0.3.9b-14.7.3.1.i386.rpm
d8688dc3390b24ae661f8cfcdb1c4ac5 8.0/en/os/SRPMS/kon2-0.3.9b-14.8.src.rpm
2a9f14de40cf20211d1ad0e2c967ab72 8.0/en/os/i386/kon2-0.3.9b-14.8.i386.rpm
76e3cc966a14e12cd795fb3e8644dd06 8.0/en/os/i386/kon2-fonts-0.3.9b-14.8.i386.rpm
d712bb617fb11499a3fa37a6fe4eb2c9 9/en/os/SRPMS/kon2-0.3.9b-16.9.src.rpm
3f1a3c5e5c5e310253f2c5c813de95e6 9/en/os/i386/kon2-0.3.9b-16.9.i386.rpm
8b42e5e38cd403db18ed41f507211080 9/en/os/i386/kon2-fonts-0.3.9b-16.9.i386.rpm
These packages are GPG signed by Red Hat for security. Our key is
available at http://www.redhat.com/solutions/security/news/publickey/
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://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1155
8. Contact:
The Red Hat security contact is <security@...hat.com>. More contact
details at http://www.redhat.com/solutions/security/news/contact/
Copyright 2003 Red Hat, Inc.
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