(Sun Issues Fix for Solaris) OpenBSD dhcpd Buffer Overflow Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1021158 |
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SecurityTracker URL: http://securitytracker.com/id/1021158
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CVE Reference:
CVE-2007-5365
(Links to External Site)
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Date: Nov 9 2008
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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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Description:
A vulnerability was reported in dhcpd on OpenBSD. A remote user on the local network can execute arbitrary code on the target system. Sun Solaris is affected.
A remote user on the local network can send specially crafted DHCP data to trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target service.
A specially crafted maximum message size that is less than the minimum IP MTU can trigger the overflow in dhcpd(8).
dhcpd(8) is not enabled by default.
Nahuel Riva and Gerardo Richarte of Core Security Technologies reported this vulnerability.
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Impact:
A remote user on the local network can execute arbitrary code on the target system.
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Solution:
Sun has issued the following fixes for Sun Solaris, which is affected by this vulnerability.
SPARC Platform
* Solaris 8 with patch 109077-21 or later
* Solaris 9 with patch 112837-16 or later
* Solaris 10 with patch 138876-01 or later
* OpenSolaris based upon builds snv_103 or later
x86 Platform
* Solaris 8 with patch 109078-21 or later
* Solaris 9 with patch 114265-15 or later
* Solaris 10 with patch 138877-01 or later
* OpenSolaris based upon builds snv_103 or later
The vendor's advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-243806-1
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Cause:
Boundary error
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Underlying OS:
UNIX (Solaris - SunOS)
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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, 9 Nov 2008 00:01:13 -0500
Subject: http://sunsolve.sun.com/search/document.do?assetkey=1-66-243806-1
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CVE-2007-5365
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