Date: Mon, 4 Dec 2000 14:26 -0500
From: bugzilla@redhat.com
To: redhat-watch-list@redhat.com
Subject: [RHSA-2000:122-04] race condition exists in diskcheck
Red Hat, Inc. Security Advisory
Synopsis: race condition exists in diskcheck
Advisory ID: RHSA-2000:122-04
Issue date: 2000-12-01
Updated on: 2000-12-04
Product: Red Hat Powertools
Keywords: N/A
Cross references: N/A
1. Topic:
A race vulnerability exists in the diskcheck package.
2. Relevant releases/architectures:
Red Hat Powertools 6.0 – noarch
Red Hat Powertools 6.1 – noarch
Red Hat Powertools 6.2 – noarch
3. Problem description:
A race vulnerability exists where a user can replace the
tempfile used by diskcheck with symlinks to other files on the
system, making it possible to corrupt those files.
The update fixes this problem. All users of diskcheck should
update to the version listed below.
NOTE: The diskcheck package in Powertools 7 is not
vulnerable.
4. Solution:
For each RPM for your particular architecture, run:
rpm -Fvh [filename]
where filename is the name of the RPM.
5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla
for more info):
11724 – tempfile has easily guessed name and follows
symlinks
6. RPMs required:
Red Hat Powertools 6.0, 6.1, and 6.2:
noarch:
ftp://updates.redhat.com/powertools/6.2/noarch/diskcheck-3.1.1-10.6x.noarch.rpm
sources:
ftp://updates.redhat.com/powertools/6.2/SRPMS/diskcheck-3.1.1-10.6x.src.rpm
7. Verification:
MD5 sum Package Name
21097512fb90148010485215d148b30b 6.2/SRPMS/diskcheck-3.1.1-10.6x.src.rpm
ab3afbea96341fce252c72e304039362 6.2/noarch/diskcheck-3.1.1-10.6x.noarch.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our
key is available at:
http://www.redhat.com/corp/contact.html
You can verify each package with the following command:
rpm –checksig <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:
rpm –checksig –nogpg <filename>
8. References:
N/A
Copyright(c) 2000 Red Hat, Inc.