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CCE
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CCE-90899-6

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



To set the runtime status of the 'net.ipv4.conf.default.secure_redirects' kernel parameter, run the following command:


Parameter:

[no/yes]


Technical Mechanism:

Accepting secure ICMP redirects (from those gateways listed as default gateways) has few legitimate uses. It should be disabled unless it is absolutely required.

CCSS Severity:CCSS Metrics:
CCSS Score : 9.3Attack Vector: NETWORK
Exploit Score: 3.9Attack Complexity: LOW
Impact Score: 4.7Privileges Required: NONE
Severity: CRITICALUser Interaction: NONE
Vector: AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:HScope: CHANGED
 Confidentiality: LOW
 Integrity: NONE
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:31280
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:30557


OVAL    2
oval:org.secpod.oval:def:30557
oval:org.secpod.oval:def:31280
XCCDF    2
xccdf_org.secpod_benchmark_general_CENTOS_7
xccdf_org.secpod_benchmark_general_RHEL_7

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