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CCE
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CCE-91176-8

Platform: cpe:/o:ubuntu:ubuntu_linux:14.04Date: (C)2017-03-14   (M)2023-07-04



Disable IPv6 Router Advertisements (Not Scored) This setting disables the systems ability to accept router advertisements


Parameter:

[enable/disable]


Technical Mechanism:

It is recommended that systems not accept router advertisements as they could be tricked into routing traffic to compromised machines. Setting hard routes within the system (usually a single default route to a trusted router) protects the system from bad routes. Fix: Set the net.ipv6.conf.all.accept_ra and net.ipv6.conf.default.accept_ra parameter to 0 in /etc/sysctl.conf: net.ipv6.conf.all.accept_ra=0 net.ipv6.conf.default.accept_ra=0 Modify active kernel parameters to match: # /sbin/sysctl -w net.ipv6.conf.all.accept_ra=0 # /sbin/sysctl -w net.ipv6.conf.default.accept_ra=0 # /sbin/sysctl -w net.ipv6.route.flush=1

CCSS Severity:CCSS Metrics:
CCSS Score : 5.1Attack Vector: LOCAL
Exploit Score: 2.5Attack Complexity: LOW
Impact Score: 2.5Privileges Required: NONE
Severity: MEDIUMUser Interaction: NONE
Vector: AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LScope: UNCHANGED
 Confidentiality: LOW
 Integrity: NONE
 Availability: LOW
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:33895


OVAL    1
oval:org.secpod.oval:def:33895
XCCDF    2
xccdf_org.secpod_benchmark_SecPod_Ubuntu_14_04
xccdf_org.secpod_benchmark_general_Ubuntu_14_04

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