ISC DHCP Memory Leak Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1027300 |
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SecurityTracker URL: http://securitytracker.com/id/1027300
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CVE Reference:
CVE-2012-3954
(Links to External Site)
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Date: Jul 25 2012
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 4.1.x, 4.2.x
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Description:
A vulnerability was reported in ISC DHCP. A remote user on the local network can cause denial of service conditions.
A remote user can send specially crafted data to trigger a small memory leak. On systems that are run for a long period without re-starting or on systems handling heavy traffic, this may consume excessive memory resources on the target system.
Both DHCPv6 and DHCPv4 modes are affected by at least one of the memory leaks.
Glen Eustace of Massey University, New Zealand, reported this vulnerability.
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Impact:
A remote user on the local network can consume excessive memory resources on the target system.
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Solution:
The vendor has issued a fix (4.1-ESV-R6, 4.2.4-P1).
The vendor's advisory is available at:
https://kb.isc.org/article/AA-00737
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Vendor URL: kb.isc.org/article/AA-00737 (Links to External Site)
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Cause:
Resource error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Wed, 25 Jul 2012 22:12:12 +0000
Subject: ISC DHCP
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https://kb.isc.org/article/AA-00737
CVE-2012-3954
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