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CVE
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CVE-2018-7750Date: (C)2018-03-27   (M)2018-04-16


transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
RHSA-2018:0591
RHSA-2018:0646
USN-3603-1
USN-3603-2
https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516
https://github.com/paramiko/paramiko/issues/1175

CWE    1
CWE-287
OVAL    7
oval:org.secpod.oval:def:704021
oval:org.secpod.oval:def:502253
oval:org.secpod.oval:def:114232
oval:org.secpod.oval:def:114229
...

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