(Gentoo Issues Fix) DC Open Hub Buffer Overflow in RedirectAll Lets Remote Authenticated Administrators Execute Arbitrary Code
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SecurityTracker Alert ID: 1012348 |
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SecurityTracker URL: http://securitytracker.com/id/1012348
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Nov 29 2004
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 0.7.14
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Description:
Donato Ferrante reported a buffer overflow vulnerability in DC Open Hub. A remote authenticated administrator can execute arbitrary code on the target system.
It is reported that a remote authenticated administrator can set a specially crafted RedirectAll value to trigger the buffer overflow and execute arbitrary code.
A demonstration exploit is available at:
http://www.autistici.org/fdonato/poc/OpenDcHub[0714]BOF-poc.zip
The vendor has been notified without response.
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Impact:
A remote authenticated administrator can execute arbitrary code on the target system.
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Solution:
Gentoo has released a fix and indicates that all Open DC Hub users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-p2p/opendchub-0.7.14-r2"
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Vendor URL: opendchub.sourceforge.net/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Gentoo)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Sun, 28 Nov 2004 15:09:32 -0500
Subject: [gentoo-announce] [ GLSA 200411-37 ] Open DC Hub: Remote code execution
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Gentoo Linux Security Advisory GLSA 200411-37
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http://security.gentoo.org/
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Severity: High
Title: Open DC Hub: Remote code execution
Date: November 28, 2004
Bugs: #72371
ID: 200411-37
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Synopsis
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Open DC Hub contains a buffer overflow that can be exploited to allow
remote code execution.
Background
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Open DC Hub is the hub software for the Direct Connect file sharing
network.
Affected packages
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Package / Vulnerable / Unaffected
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1 net-p2p/opendchub < 0.7.14-r2 >=3D 0.7.14-r2
Description
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Donato Ferrante discovered a buffer overflow vulnerability in the
RedirectAll command of the Open DC Hub.
Impact
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Upon exploitation, a remote user with administrative privileges can
execute arbitrary code on the system running the Open DC Hub.
Workaround
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Only give administrative rights to trusted users.
Resolution
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All Open DC Hub users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dnet-p2p/opendchub-0.7.14-r2"
References
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[ 1 ] Full-Disclosure Advisory
http://archives.neohapsis.com/archives/fulldisclosure/2004-11/1115.=
html
Availability
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This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-37.xml
Concerns?
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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
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Copyright 2004 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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