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CCE
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CCE-90602-4

Platform: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7Date: (C)2017-06-29   (M)2023-07-04



Although IPv6 has many advantages over IPv4, few organizations have implemented IPv6. Rationale: If IPv6 is not to be used, it is recommended that it be disabled to reduce the attack surface of the system. Fix: Create or edit the file /etc/sysctl.conf and add the following lines: net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.lo.disable_ipv6=1 Run the following command or reboot to apply the changes: # sysctl -p


Parameter:

[yes/no]


Technical Mechanism:

Create or edit the file /etc/sysctl.conf and add the following lines: net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.lo.disable_ipv6=1 Run the following command or reboot to apply the changes: # sysctl -p

CCSS Severity:CCSS Metrics:
CCSS Score : 6.5Attack Vector: NETWORK
Exploit Score: 3.9Attack Complexity: LOW
Impact Score: 2.5Privileges Required: NONE
Severity: MEDIUMUser Interaction: NONE
Vector: AV:N/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:30295
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:31018


OVAL    2
oval:org.secpod.oval:def:31018
oval:org.secpod.oval:def:30295
XCCDF    2
xccdf_org.secpod_benchmark_general_CENTOS_7
xccdf_org.secpod_benchmark_general_RHEL_7

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