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Sicherheit: Pufferüberlauf in wu-ftpd
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in wu-ftpd
ID: TLSA2002002
Distribution: TurboLinux
Plattformen: Keine Angabe
Datum: Do, 24. Januar 2002, 12:00
Referenzen: Keine Angabe
Applikationen: WU-FTPD

Originalnachricht

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___________________________________________________________________________

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 to
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
___________________________________________________________________________

These packages are GPG signed by Turbolinux for security. Our 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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