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authorDenys Vlasenko <vda.linux@googlemail.com>2015-10-13 13:49:53 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2015-10-13 13:49:53 +0200
commitf7ad927c2059ef9cd1cd6befeb43f26b92f6369f (patch)
tree14c58fbd8b7e656dfa644be841ab476c35f72733 /applets/applets.c
parentbf74fb44977d9b90c51dba19c1fd7f071147d955 (diff)
downloadbusybox-f7ad927c2059ef9cd1cd6befeb43f26b92f6369f.tar.gz
ftpd: make DIR parameter work for non-root too: chdir to it instead of chroot
Unfortunately, chroot() works only for root user, because of attacks on setuid binaries (make DIR/lib/ld-linux.so a shell, hardlink to a setuid binary, chroot to DIR, execute it and get root shell). function old new delta ftpd_main 2160 2180 +20 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'applets/applets.c')
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