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Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of...

Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command (‘Command Injection’) vulnerability in allowscp permission that can result in Local command execution. This attack appear to be...

Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via the --rsh command line option.

rssh 2.3.2, as used by Debian, Fedora, and others, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via a (1) ”-e” or (2) ”--” command line option.

rssh 2.3.3 and earlier allows local users to bypass intended restricted shell access via crafted environment variables in the command line.

util.c in rssh 2.3.0 in Debian GNU/Linux does not use braces to make a block, which causes a check for CVS to always succeed and allows rsync and rdist to bypass intended access restrictions in rssh.conf.

rssh 2.0.0 through 2.2.3 allows local users to bypass access restrictions and gain root privileges by using the rssh_chroot_helper command to chroot to an external directory.

rssh 2.2.2 and earlier does not properly restrict programs that can be run, which could allow remote authenticated users to bypass intended access restrictions and execute arbitrary programs via (1) rdist -P, (2) rsync, or (3) scp -S.