ftpd security issue ?

[Eugene Grosbein]

09.12.2011 15:25, Xin LI пишет:
> On Fri, Dec 9, 2011 at 12:04 AM,  <gabor at zahemszky.hu> wrote:
>> Hi!
>>
>> Are the following steps enough to prevent me?
>>
>> # for user in user1 user2 .... ; do
>> mkdir -p ~$user/lib ~$user/usr/lib ~$user/etc
>> chflags sunlink,schg ~$user/lib ~$user/usr ~$user/usr/lib ~$user/etc
>> done
>> #
> 
> Yes that should be sufficient workaround.

Why /lib and /usr/lib only?

Eugene Grosbein