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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/55173 ↗
- https://matt.ucc.asn.au/dropbear/CHANGES ↗
- http://www.securityfocus.com/bid/62993 ↗
- http://www.openwall.com/lists/oss-security/2013/10/16/11 ↗
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html ↗
- https://support.citrix.com/article/CTX216642 ↗
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html ↗
- https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a ↗