___________________________________________________________________________
Turbolinux Security Announcement
Package : wu-ftpd
Vulnerable Packages: Versions previous to wu-ftpd-2.6.1-10
Date: Wed Jan 23 12:26:21 PST 2002
Affected Turbolinux versions: previous to wu-ftpd-2.6.1-10
Turbolinux Advisory ID#: TLSA2002002
Credits: http://www.debian.org/security/2001/dsa-087
___________________________________________________________________________
A security hole was discovered in the package mentioned above.
Please update the package in your installation as soon as possible.
___________________________________________________________________________
1. Problem Summary
CORE ST reports that an exploit has been found for a bug in the wu-ftpd
glob code. This is the code that handles filename wild card expansion.
2. Impact
Any logged in user (including anonymous FTP users) can exploit the bug
gain root privileges on the server.
3. Solution
This has been corrected in version wu-ftpd-2.6.1-10
Update the package from our ftp server by running the following command:
rpm -Uvh ftp://ftp.turbolinux.com/pub/updates/6.0/security/<rpm>
Where <rpm> are the following:
wu-ftpd-2.6.1-10.i386.rpm
The source RPM can be downloaded from:
ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/wu-ftpd-2.6.1-10.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
---------------------------------------------------------------------------
370d61d7c3a74180a1532bf462a460de wu-ftpd-2.6.1-10.i386.rpm
1d259c40e1c744d72d8bb8724f9ebe47 wu-ftpd-2.6.1-10.src.rpm
___________________________________________________________________________
Our PGP KEY is available here:
http://www.turbolinux.com/security/tlgpgkey2002-01-09.asc
To verify a package, use the following command:
rpm --checksig name_of_rpm
To examine only the md5sum, use the following command:
rpm --checksig --nogpg 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
ftp://ftp.turbolinux.com/pub/updates/7.0/security/ for TL7.0 Workstation
and Server security updates
Our web page 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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