--- a/src/svr-chansession.c +++ b/src/svr-chansession.c @@ -987,12 +987,12 @@ static void execchild(const void *user_d /* We can only change uid/gid as root ... */ if (getuid() == 0) { - if ((setgid(ses.authstate.pw_gid) < 0) || + if ((ses.authstate.pw_gid != 0) && ((setgid(ses.authstate.pw_gid) < 0) || (initgroups(ses.authstate.pw_name, - ses.authstate.pw_gid) < 0)) { + ses.authstate.pw_gid) < 0))) { dropbear_exit("Error changing user group"); } - if (setuid(ses.authstate.pw_uid) < 0) { + if ((ses.authstate.pw_uid != 0) && (setuid(ses.authstate.pw_uid) < 0)) { dropbear_exit("Error changing user"); } } else {