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CCE
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CCE-92018-1

Platform: cpe:/o:ubuntu:ubuntu_linux:16.04Date: (C)2018-07-09   (M)2023-07-04



SSH supports two different and incompatible protocols: SSH1 and SSH2. SSH1 was the original protocol and was subject to security issues. SSH2 is more advanced and secure. Rationale: SSH v1 suffers from insecurities that do not affect SSH v2.


Parameter:

[protocol_version_1/protocol_version_2]


Technical Mechanism:

Edit the /etc/ssh/sshd_config file to set the parameter as follows: Protocol 2

CCSS Severity:CCSS Metrics:
CCSS Score : 9.8Attack Vector: NETWORK
Exploit Score: 3.9Attack Complexity: LOW
Impact Score: 5.9Privileges Required: NONE
Severity: CRITICALUser Interaction: NONE
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:46279


OVAL    1
oval:org.secpod.oval:def:46279
XCCDF    3
xccdf_org.secpod_benchmark_SecPod_Ubuntu_16.04
xccdf_org.secpod_benchmark_SecPod_Ubuntu_16_04
xccdf_org.secpod_benchmark_general_Ubuntu_16_04

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