CVE-2013-4434

Published: Oct 25, 2013Modified: Apr 29, 2026

5.0

Vector

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

Exploitability: 10.0 / Impact: 2.9

Source: NVD

Description

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 (1)

Products: Dropbear Ssh Project: Dropbear Ssh

Dropbear Ssh Project

1 product

Dropbear Ssh

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Dropbear Ssh Project Dropbear Ssh	Before 2013.59

Related CWEs

CWE-189

References (16)

http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html

Source: secalert@redhat.com

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html

Source: secalert@redhat.com

Third Party Advisory

http://secunia.com/advisories/55173

Source: secalert@redhat.com

Vendor Advisory

http://www.openwall.com/lists/oss-security/2013/10/16/11

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/62993

Source: secalert@redhat.com

Third Party AdvisoryVDB Entry

https://matt.ucc.asn.au/dropbear/CHANGES

Source: secalert@redhat.com

Vendor Advisory

https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a

Source: secalert@redhat.com

PatchThird Party Advisory

https://support.citrix.com/article/CTX216642

Source: secalert@redhat.com

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html