-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Mike,
On 12/05/11 12:34, Mike Tancsa wrote: > On 12/5/2011 2:48 PM, Xin Li wrote: >> >> Currently no (I thought you were in the cc list in my discussion >> with kib@?). My initial plan was simply rejecting .so's with >> wrong permissions but in the discussion turns out that would not >> be sufficient and we have also considered other ways to do it, >> e.g. have a wrapper where one can disable them completely. I >> have not a full solution yet as the change would touch quite a >> lot of things in the base system... > > Hi Xin, yes, I am on the cc list. I vaguely understand the > complexity of the issue enough to see its not an easy fix. In the > mean time, I was just looking for ways to protect the few boxes I > have that run proftpd. Right now running with "rootrevoke on" seems > to be the safest, but that has the side effect of killing active > connections. Oh for now you would probably need to patch proftpd and rtld-elf so that proftpd after chroot immediately tell rtld-elf that no .so's should be loaded from that point. I don't think I would be able to do anything before office hours as I'm working on something else for the company now. Cheers, - -- Xin LI <delp...@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk7dLKsACgkQOfuToMruuMAaEwCdHb22DlVkmyzwEwk2c9o+D8gG zpUAn3RvnzzL3LIf6JXh7jH5WLQYY7aE =W4Ob -----END PGP SIGNATURE----- _______________________________________________ freebsd-security@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "freebsd-security-unsubscr...@freebsd.org"
