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CVE
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CVE-2013-4434Date: (C)2013-12-04   (M)2023-12-22


Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 5.0
Exploit Score: 10.0
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: NONE
Availability: NONE
  
Reference:
SECUNIA-55173
BID-62993
http://www.openwall.com/lists/oss-security/2013/10/16/11
https://matt.ucc.asn.au/dropbear/CHANGES
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a
https://support.citrix.com/article/CTX216642
openSUSE-SU-2013:1616
openSUSE-SU-2013:1696

CWE    1
CWE-189

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