systemd resolved Buffer Overflow in dns_packet_new() Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1038806 |
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SecurityTracker URL: http://securitytracker.com/id/1038806
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CVE Reference:
CVE-2017-9445
(Links to External Site)
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Date: Jun 29 2017
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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): v223 - v233
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Description:
A vulnerability was reported in systemd. A remote user can execute arbitrary code on the target system.
A remote DNS server can return a specially crafted response via TCP to trigger a buffer overflow in the dns_packet_new() function in the 'systemd-resolved' component of systemd and execute arbitrary code on the target system.
Systems with the 'systemd-resolved' component enabled are affected.
Chris Coulson (Canonical) reported this vulnerability.
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Impact:
A remote user can execute arbitrary code on the target system.
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Solution:
The vendor has issued a source code fix, available at:
https://github.com/systemd/systemd/commit/1f3e486fa7b00cbf25ad64f33b59ea58b9fb06a7
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Cause:
Boundary error
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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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