[Please upgrade ProFTPD on all distributions -- Raju]
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From: Sune Kloppenborg Jeppesen <[EMAIL PROTECTED]>
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To: gentoo-announce@gentoo.org
Cc: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com,
[EMAIL PROTECTED]
Subject: [Full-disclosure] [ GLSA 200508-02 ] ProFTPD: Format string
vulnerabilities
Date: Mon, 1 Aug 2005 22:56:11 +0200
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Gentoo Linux Security Advisory GLSA 200508-02
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http://security.gentoo.org/
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Severity: Normal
Title: ProFTPD: Format string vulnerabilities
Date: August 01, 2005
Bugs: #100364
ID: 200508-02
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Synopsis
========
Under specific circumstances, ProFTPD is vulnerable to format string
vulnerabilities, potentially resulting in the execution of arbitrary
code.
Background
==========
ProFTPD is a configurable GPL-licensed FTP server software.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-ftp/proftpd < 1.2.10-r7 >= 1.2.10-r7
Description
===========
"infamous42md" reported that ProFTPD is vulnerable to format string
vulnerabilities when displaying a shutdown message containing the name
of the current directory, and when displaying response messages to the
client using information retrieved from a database using mod_sql.
Impact
======
A remote attacker could create a directory with a malicious name that
would trigger the format string issue if specific variables are used in
the shutdown message, potentially resulting in a Denial of Service or
the execution of arbitrary code with the rights of the user running the
ProFTPD server. An attacker with control over the database contents
could achieve the same result by introducing malicious messages that
would trigger the other format string issue when used in server
responses.
Workaround
==========
Do not use the "%C", "%R", or "%U" in shutdown messages, and do not set
the "SQLShowInfo" directive.
Resolution
==========
All ProFTPD users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/proftpd-1.2.10-r7"
References
==========
[ 1 ] CAN-2005-2390
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2390
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200508-02.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
[EMAIL PROTECTED] or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 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/2.0
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******************
--
Raj Mathur [EMAIL PROTECTED] http://kandalaya.org/
GPG: 78D4 FC67 367F 40E2 0DD5 0FEF C968 D0EF CC68 D17F
It is the mind that moves
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