ZFS .zfs DoS

2014-01-16 Thread Richard Kojedzinszky
Dear users, For a long time now I've been investigating problems relating FreeBSD ZFS .zfs handling, and found that I am not enough to fix issues. Until fixes arrive, unfortunately a regular user can DoS a FreeBSD system which has ZFS filesystems with the attached script. While the script expe

Re: [FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-14:01.bsnmpd

2014-01-16 Thread Jeremie Le Hen
Hi, On Tue, Jan 14, 2014 at 08:11:08PM +, FreeBSD Security Advisories wrote: > > II. Problem Description > > The bsnmpd(8) daemon is prone to a stack-based buffer-overflow when it > has received a specifically crafted GETBULK PDU request. > > III. Impact > > This issue could be exploited

Re: More on startup entropy

2014-01-16 Thread Ben Laurie
As suggested, adding freebsd-security. On 15 January 2014 21:45, Xin Li wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > On 01/15/14 13:04, Ben Laurie wrote: >> Have not read this yet, but someone at Real World Cryptography >> pointed me at it. Sounded like a good idea. >> >> http:/

Re: NTP security hole CVE-2013-5211?

2014-01-16 Thread Fabian Wenk
Hello Dag-Erling On 14.01.2014 14:06, Dag-Erling Smørgrav wrote: Cristiano Deana writes: I tried several workaround with config and policy, and ended up you MUST have 4.2.7 to stop these kind of attacks. Doesn't "restrict noquery" block monlist in 4.2.6? It does at least in 4.2.4p8 (runnin

Re: UNS: Re: NTP security hole CVE-2013-5211?

2014-01-16 Thread Fabian Wenk
Hello Dag-Erling On 14.01.2014 14:11, Dag-Erling Smørgrav wrote: Garrett Wollman writes: For a "pure" client, I would suggest "restrict default ignore" ought to be the norm. (Followed by entries to unrestrict localhost over v4 and v6.) Pure clients shouldn't use ntpd(8). They should use sn