CVE-2017-9079
Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.
Date published : 2017-05-19
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html