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, which allows remote attackers to discover valid usernames.
| Software | From | Fixed in |
|---|---|---|
| dropbear_ssh_project / dropbear_ssh | - | 2013.59 |
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html
- http://secunia.com/advisories/55173
- http://www.openwall.com/lists/oss-security/2013/10/16/11
- http://www.securityfocus.com/bid/62993
- https://matt.ucc.asn.au/dropbear/CHANGES
- https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a
- https://support.citrix.com/article/CTX216642
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