Am 30.10.2013 11:20, schrieb Alec Leamas: > On 2013-10-30 10:58, Reindl Harald wrote: >> Am 30.10.2013 10:53, schrieb Alec Leamas: >>> On 2013-10-30 10:23, Reindl Harald wrote: >>>> Am 30.10.2013 02:03, schrieb Chris Adams: >>>>> Once upon a time, Reindl Harald <h.reindl@xxxxxxxxxxxxx> said: >>>>>> [root@srv-rhsoft:~]$ mkdir test >>>>>> i could rm -rf ~/ here >>>>>> >>>>>> [root@srv-rhsoft:~]$ cat /usr/local/bin/mkdir >>>>>> #!/bin/bash >>>>>> echo "i could rm -rf ~/ here" >>>>> If I can write to files you own, it doesn't matter if there's a >>>>> directory in the PATH or not. I can write this to your .bash_profile: >>>>> >>>>> /bin/mkdir $HOME/.bin 2> /dev/null >>>>> echo 'echo "i could rm -rf ~/ here"' > $HOME/.bin/mkdir >>>>> chmod +x $HOME/.bin/mkdir >>>>> PATH=$HOME/.bin:$PATH >>>> you can do this and that - but that's no valid argumentation >>>> doing bad things in default setups and *at least* do not >>>> place *hidden* diretories there, ther is a good reason why >>>> software like rkhunter alerts if you have hidden directories >>>> somewhere in /usr/bin/ >>>> >>> Some kind of reference for the bad in having a well-known, hidden directory in the path? >> the *writeable for the user* is the problem > Any reference for this problem? what about consider the implications? do you really need a written reference for any security relevant fact? i can write one for you if you prefer links :-)
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