Gentoo: GLSA-200801-17: Netkit FTP Server: Denial of Service
Summary
Gentoo Linux Security Advisory GLSA 200801-17
https://security.gentoo.org/
Severity: Normal
Title: Netkit FTP Server: Denial of Service
Date: January 29, 2008
Bugs: #199206
ID: 200801-17
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
==========
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:
https://security.gentoo.org/glsa/200801-17
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
https://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.
https://creativecommons.org/licenses/by-sa/2.5/
Resolution
References
Availability
Concerns
![Dist Gentoo](/images/distros/dist-gentoo.png)