CVE-2013-4434

published 2013-10-25

CVE-2013-4434: 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…

Priority P4 27 medium 5 CVSS 2.0

AV N AC L Au N C P I N A N

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	dropbear	< dropbear 2012.55-1.4 (bookworm)	dropbear 2012.55-1.4 (bookworm)
dropbear_ssh_project	dropbear_ssh	< 2013.59	2013.59
dropbear_ssh_project	dropbear_ssh	>= 0 < 2012.55-1.4	2012.55-1.4
dropbear_ssh_project	dropbear_ssh	>= 0 < 2012.55-1.4	2012.55-1.4
dropbear_ssh_project	dropbear_ssh	>= 0 < 2012.55-1.4	2012.55-1.4
dropbear_ssh_project	dropbear_ssh	>= 0 < 2012.55-1.4	2012.55-1.4

CVSS provenance

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N

osv 5.0 MEDIUM

vendor_debian 5.0 LOW

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CWE-189