McAfee E-Business Server Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1019170
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SecurityTracker URL: http://securitytracker.com/id?1019170
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CVE Reference: CVE-2008-0127
(Links to External Site)
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Updated: Jan 10 2008
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Original Entry Date: Jan 9 2008
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Impact: Execution of arbitrary code via network, Root access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 8.5.2 and prior versions
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Description: A vulnerability was reported in McAfee E-Business Server. A remote user can execute arbitrary code on the target system.
A remote user can send specially crafted authentication data to TCP port 1718 to execute arbitrary code on the target system. The
code will run with Local System privileges.
Only the Windows-based version is affected.
The vendor was notified on November
28, 2007.
Leon Juranic of INFIGO IS reported this vulnerability.
The original advisory is available at:
http://www.infigo.hr/en/in_focus/advisories/INFIGO-2008-0
1-06
A demonstration exploit is available at:
http://www.infigo.hr/files/mcafee2.pl
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Impact: A remote user can execute arbitrary code on the target system with Local System privileges.
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Solution: The vendor has issued a fixed version (8.5.3).
The McAfee advisory is available at:
https://knowledge.mcafee.com/SupportSite/dynamickc.do?externalId=614472&sliceId=SAL_Public&command=show&forward=nonthreadedKC&kcId=614472
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Vendor URL: knowledge.mcafee.com/SupportSite/dynamickc.do?externalId=614472&sliceId=SAL_Public&command=show&forward=nonthreadedKC&kcId=614472 (Links to External Site)
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Cause: Boundary error
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Underlying OS: Windows (NT), Windows (2000), Windows (2003)
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Reported By: "infocus" <infocus@infigo.hr>
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Message History:
None.
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Source Message Contents
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Date: Wed, 9 Jan 2008 12:17:55 +0100
From: "infocus" <infocus@infigo.hr>
Subject: [Full-disclosure] [INFIGO 2008-01-06]: McAfee E-Business Server
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INFIGO IS Security Advisory #ADV-2008-01-06
http://www.infigo.hr/en/
Title: McAfee E-Business Server Remote Preauth Code Execution / DoS
Advisory ID: INFIGO-2008-01-06
Date: 2008-01-09
Advisory URL: http://www.infigo.hr/en/in_focus/advisories/INFIGO-2008-01-06
Impact: Remote code execution
Risk Level: High
Vulnerability Type: Remote
==[ Overview
McAfee E-Business Server guards sensitive corporate data with
industry-standard
PGP 128-bit encryption and authentication. McAfee E-Business Server supports
variety of platforms and security certificates.
==[ Vulnerability
During an audit of McAfee E-Business Server, we have discovered a
vulnerability
in the administration interface (TCP port 1718).
It is possible to crash McAfee E-Business Server during the authentication
process.
When a malformed (oversized) initial authentication packet is sent to
E-Business Server,
the server will crash, and will have to be manually restarted.
A malformed authentication packet is shown below:
"\x01\x3f\x2f\x05\x25\x2a" + "A" * 69953
McAfee further researched the vulnerability and confirmed that it allows an
attacker
to also remotely execute code.
==[ Affected Version
The vulnerability has been identified in the latest available McAfee
E-Business Server 8.5.2, and it was successfully tested on Windows and Linux
platforms.
Previous versions are believed to be vulnerable as well.
==[ Fix
The vendor has addressed this vulnerability with E-Business server patch
update
on January 8th, 2008.
Vendor advisory and update link:
https://knowledge.mcafee.com/SupportSite/dynamickc.do?externalId=614472&sliceId=SAL_Public&co
mmand=show&forward=nonthreadedKC&kcId=614472
==[ PoC Exploit
http://www.infigo.hr/files/mcafee2.pl
==[ Vendor status
11.28.2007 - Initial contact
11.29.2007 - Initial vendor response
11.30.2007 - Vendor response
12.03.2007 - Vendor status update
12.10.2007 - Vendor status update
12.17.2007 - Vendor status update
01.07.2008 - Vendor status update
01.09.2008 - Coordinated public disclosure
==[ Credits
Vulnerability discovered by Leon Juranic <leon.juranic@infigo.hr>.
==[ INFIGO IS Security Contact
INFIGO IS,
WWW : http://www.infigo.hr/en/
E-mail : infocus@infigo.hr
_______________________________________________
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