CVE-2013-4434

2013-10-2523:55:00

Debian Security Bug Tracker

security-tracker.debian.org

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.021 Low

EPSS

Percentile

89.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12alldropbear< 2012.55-1.4dropbear_2012.55-1.4_all.deb
Debian11alldropbear< 2012.55-1.4dropbear_2012.55-1.4_all.deb
Debian10alldropbear< 2012.55-1.4dropbear_2012.55-1.4_all.deb
Debian999alldropbear< 2012.55-1.4dropbear_2012.55-1.4_all.deb
Debian13alldropbear< 2012.55-1.4dropbear_2012.55-1.4_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	dropbear	< 2012.55-1.4	dropbear_2012.55-1.4_all.deb
Debian	11	all	dropbear	< 2012.55-1.4	dropbear_2012.55-1.4_all.deb
Debian	10	all	dropbear	< 2012.55-1.4	dropbear_2012.55-1.4_all.deb
Debian	999	all	dropbear	< 2012.55-1.4	dropbear_2012.55-1.4_all.deb
Debian	13	all	dropbear	< 2012.55-1.4	dropbear_2012.55-1.4_all.deb