systemd resolved Buffer Overflow in dns_packet_new() Lets Remote Users Execute Arbitrary Code
|
SecurityTracker Alert ID: 1038806 |
SecurityTracker URL: http://securitytracker.com/id/1038806
|
CVE Reference:
CVE-2017-9445
(Links to External Site)
|
Date: Jun 29 2017
|
Impact:
Execution of arbitrary code via network, User access via network
|
Fix Available: Yes Vendor Confirmed: Yes
|
Version(s): v223 - v233
|
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.
|
Impact:
A remote user can execute arbitrary code on the target system.
|
Solution:
The vendor has issued a source code fix, available at:
https://github.com/systemd/systemd/commit/1f3e486fa7b00cbf25ad64f33b59ea58b9fb06a7
|
Cause:
Boundary error
|
|
Message History:
This archive entry has one or more follow-up message(s) listed below.
|
Source Message Contents
|
|
[Original Message Not Available for Viewing]
|
|