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39a3f5b08d
Lenient profile that is intended to be used when 'Ux' is desired but
does not provide enough environment sanitizing. This effectively is an
open profile that blacklists certain known dangerous files and also
does not allow any capabilities. For example, it will not allow 'm' on files
owned be the user invoking the program. While this provides some additional
protection, please use with care as applications running under this profile
are effectively running without any AppArmor protection. Use this profile
only if the process absolutely must be run (effectively) unconfined.
Limitations:
1. This does not work for root owned processes, because of the way we use
owner matching in the sanitized helper. We could do a better job with
this to support root, but it would make the policy harder to understand
and going unconfined as root is not desirable anyway.
2. For this sanitized_helper to work, the program running in the sanitized
environment must open symlinks directly in order for AppArmor to mediate
it. This is confirmed to work with:
- compiled code which can load shared libraries
- python imports
It is known not to work with:
- perl includes
3. Going forward it might be useful to try sanitizing ruby and java
Use at your own risk. This profile was developed as an interim workaround for
LP: #851986 until AppArmor implements proper environment filtering.
Acked-by: Jamie Strandboge <jamie@canonical.com>
Adjust ubuntu abstractions to use sanitized_helper instead of (P)Ux.
Acked-by: Jamie Strandboge <jamie@canonical.com>
Update launchpad-integration to use a sanitized helper in a similar manner
as that in ubuntu-helpers.
Acked-by: Jamie Strandboge <jamie@canonical.com>
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|---|---|---|
| .. | ||
| abstractions | ||
| apache2.d | ||
| local | ||
| program-chunks | ||
| tunables | ||
| bin.ping | ||
| sbin.klogd | ||
| sbin.syslog-ng | ||
| sbin.syslogd | ||
| usr.lib.apache2.mpm-prefork.apache2 | ||
| usr.lib.dovecot.deliver | ||
| usr.lib.dovecot.dovecot-auth | ||
| usr.lib.dovecot.imap | ||
| usr.lib.dovecot.imap-login | ||
| usr.lib.dovecot.managesieve-login | ||
| usr.lib.dovecot.pop3 | ||
| usr.lib.dovecot.pop3-login | ||
| usr.sbin.avahi-daemon | ||
| usr.sbin.dnsmasq | ||
| usr.sbin.dovecot | ||
| usr.sbin.identd | ||
| usr.sbin.mdnsd | ||
| usr.sbin.nmbd | ||
| usr.sbin.nscd | ||
| usr.sbin.ntpd | ||
| usr.sbin.smbd | ||
| usr.sbin.smbldap-useradd | ||
| usr.sbin.traceroute | ||