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VuXML IDDescription
6a2cfcdc-9dea-11e6-a298-14dae9d210b8FreeBSD -- OpenSSH Remote Denial of Service vulnerability

Problem Description:

When processing the SSH_MSG_KEXINIT message, the server could allocate up to a few hundreds of megabytes of memory per each connection, before any authentication take place.

Impact:

A remote attacker may be able to cause a SSH server to allocate an excessive amount of memory. Note that the default MaxStartups setting on FreeBSD will limit the effectiveness of this attack.


Discovery 2016-10-19
Entry 2016-10-29
Modified 2016-11-02
openssh-portable
< 7.3p1_1

FreeBSD
ge 11.0 lt 11.0_3

ge 10.3 lt 10.3_12

http://seclists.org/oss-sec/2016/q4/191
CVE-2016-8858
SA-16:33.openssh