Dhcp Buffer Overflow in 'dhclient' Lets Remote Servers Cause the Target Client to Crash
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SecurityTracker Alert ID: 1040436 |
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SecurityTracker URL: http://securitytracker.com/id/1040436
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CVE Reference:
CVE-2018-5732
(Links to External Site)
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Date: Feb 28 2018
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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): 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0
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Description:
A vulnerability was reported in Dhcp. A remote user can cause the target dhclient to crash.
A remote server can return a specially crafted response to trigger a buffer overflow in the processing of DHCP options and cause the target dhclient to crash.
Felix Wilhelm, Google Security Team, reported this vulnerability.
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Impact:
A remote user can cause the target dhclient to crash.
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Solution:
The vendor has issued a fix (4.1-ESV-R15-P1, 4.3.6-P1, 4.4.1).
The vendor advisory is available at:
https://kb.isc.org/article/AA-01565/75/CVE-2018-5732
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Vendor URL: kb.isc.org/article/AA-01565/75/CVE-2018-5732 (Links to External Site)
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Cause:
Boundary 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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Subject: https://kb.isc.org/article/AA-01565/75/CVE-2018-5732
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