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CCE
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CCE-95061-8

Platform: cpe:/o:ubuntu:ubuntu_linux:20.04, cpe:/o:ubuntu:ubuntu_linux:22.04, cpe:/o:ubuntu:ubuntu_linux:23.04Date: (C)2020-10-15   (M)2023-09-01



TCP Wrappers provides a simple access list and standardized logging method for services capable of supporting it. In the past, services that were called from inetd and xinetd supported the use of tcp wrappers. As inetd and xinetd have been falling in disuse, any service that can support tcp wrappers will have the libwrap.so library attached to it. Rationale: TCP Wrappers provide a good simple access list mechanism to services that may not have that support built in. It is recommended that all services that can support TCP Wrappers, use it. Fix: Install tcpd: # apt-get install tcpd To verify if a service supports TCP Wrappers, run the following command: # ldd <path-to-daemon> | grep libwrap.so If there is any output, then the service supports TCP Wrappers.


Parameter:

[yes/no]


Technical Mechanism:

Install tcpd: # apt-get install tcpd To verify if a service supports TCP Wrappers, run the following command: # ldd path-to-daemon | grep libwrap.so If there is any output, then the service supports TCP Wrappers.

CCSS Severity:CCSS Metrics:
CCSS Score : 7.9Attack Vector: LOCAL
Exploit Score: 2.5Attack Complexity: LOW
Impact Score: 4.7Privileges Required: NONE
Severity: HIGHUser Interaction: NONE
Vector: AV:L/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:85137
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:92247
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:65993


OVAL    3
oval:org.secpod.oval:def:85137
oval:org.secpod.oval:def:92247
oval:org.secpod.oval:def:65993
XCCDF    3
xccdf_org.secpod_benchmark_general_Ubuntu_23.04
xccdf_org.secpod_benchmark_general_Ubuntu_22.04
xccdf_org.secpod_benchmark_general_Ubuntu_20.04

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