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Turbolinux Security Announcement
Package: xntp3
Vulnerable Packages: All Turbolinux versions previous to 5.93-10
Date: 05/02/2001 5:00 PDT
Affected Turbolinux platforms: TL Server 6.5,
TL 6.1 WorkStation,
All Turbolinux versions
6.0.5 and earlier
Turbolinux Advisory ID#: TLSA2001014
Credits: Vulnerability discovered by Przemyslaw Frasunek
References: http://www.securityfocus.com/vdb/bottom.html?vid=2540
_____________________________________________________________________________________________
A security hole has been discovered in the xntp3 packages. Please update
the packages in your installation as soon as possible.
_____________________________________________________________________________________________
1. Problem Summary
A remote buffer overflow vulnerability exists in the network time
protocol daemon. It is remotely exploitable and a user with malicious
intent can crash the daemon or execute arbitrary code on the affected
host.
2. Impact
Remote exploitation can result in an attacker gaining remote root
access or a denial of ntp service on the affected system.
3. Solution
Update the packages from our ftp server by running the following command:
rpm -Uvh ftp_path_to_filename
Where ftp_path_to_filename is the following:
ftp://ftp.turbolinux.com/pub/updates/6.0/security/xntp3-5.93-10.i386.rpm
ftp://ftp.turbolinux.com/pub/updates/6.0/security/xntp3-server-5.93-10.i386.rpm
The source RPM can be downloaded here:
ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/xntp3-5.93-10.src.rpm
**Note: You must rebuild and install the RPM if you choose to download
and install the SRPM. Simply installing the SRPM alone WILL NOT CLOSE
THE SECURITY HOLE.
Please verify the MD5 checksums of the updates before you install:
MD5 sum Package Name
---------------------------------------------------------------------------------------------
1acc3320414d9cf0c95359ee441f670c xntp3-5.93-10.i386.rpm
dfb4610caddfe8970e7c9f37c4fc9ec7 xntp3-server-5.93-10.i386.rpm
b68734be1f493230aa773f19a0bfb0b5 xntp3-5.93-10.src.rpm
_____________________________________________________________________________________________
These packages are GPG signed by Turbolinux for security. Our key
is available here:
http://www.turbolinux.com/security/tlgpgkey.asc
To verify a package, use the following command:
rpm --checksig name_of_rpm
To examine only the md5sum, use the following command:
md5sum name_of_rpm
**Note: Checking GPG keys requires RPM 3.0 or higher.
________________________________________________________________________________________________
You can find more updates on our ftp server:
ftp://ftp.turbolinux.com/pub/updates/6.0/security/
for TL6.0 Workstation and Server security updates
Our webpage for security announcements:
http://www.turbolinux.com/security
If you want to report vulnerabilities, please contact:
security@turbolinux.com
________________________________________________________________________________________________
Subscribe to the Turbolinux Security Mailing lists:
TL-security - A moderated list for discussing security issues
Turbolinux products.
Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security
TL-security-announce - An announce-only mailing list for security
updates and alerts.
Subscribe at:
http://www.turbolinux.com/mailman/listinfo/tl-security-announce
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