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CVE
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CVE-2016-6210Date: (C)2017-02-16   (M)2018-09-07


sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
SECTRACK-1036319
http://seclists.org/fulldisclosure/2016/Jul/51
EXPLOIT-DB-40113
EXPLOIT-DB-40136
BID-91812
DSA-3626
GLSA-201612-18
RHSA-2017:2029
RHSA-2017:2563
https://www.openssh.com/txt/release-7.3

CWE    1
CWE-200
OVAL    14
oval:org.secpod.oval:def:110896
oval:org.secpod.oval:def:39004
oval:org.secpod.oval:def:602566
oval:org.secpod.oval:def:703235
...

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