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On 29/01/08 4:09 PM, "Raphael Marichez" <falco@gentoo.org> wrote:
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Gentoo Linux Security Advisory GLSA 200801-17
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http://security.gentoo.org/
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Severity: Normal
Title: Netkit FTP Server: Denial of Service
Date: January 29, 2008
Bugs: #199206
ID: 200801-17
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Synopsis
========
Netkit FTP Server contains a Denial of Service vulnerability.
Background
==========
net-ftp/netkit-ftpd is the Linux Netkit FTP server with optional SSL
support.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-ftp/netkit-ftpd < 0.17-r7 >= 0.17-r7
Description
===========
Venustech AD-LAB discovered that an FTP client connected to a
vulnerable server with passive mode and SSL support can trigger an
fclose() function call on an uninitialized stream in ftpd.c.
Impact
======
A remote attacker can send specially crafted FTP data to a server with
passive mode and SSL support, causing the ftpd daemon to crash.
Workaround
==========
Disable passive mode or SSL.
Resolution
==========
All Netkit FTP Server users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/netkit-ftpd-0.17-r7"
References
==========
[ 1 ] CVE-2007-6263
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6263
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200801-17.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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