Dropbear: Privilege escalation
Gentoo Linux Security Advisory
||GLSA 200512-13 / dropbear
||December 23, 2005
||December 23, 2005: 01
All supported architectures
A buffer overflow in Dropbear could allow authenticated users to execute
arbitrary code as the root user.
Dropbear is an SSH server and client with a small memory
Under certain conditions Dropbear could fail to allocate a
sufficient amount of memory, possibly resulting in a buffer overflow.
By sending specially crafted data to the server, authenticated
users could exploit this vulnerability to execute arbitrary code with
the permissions of the SSH server user, which is the root user by
There is no known workaround at this time.
All Dropbear users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dropbear-0.47"