Re: FreeBSD Security Advisory FreeBSD-SA-11:05.unix [REVISED]
Jason Hellenthal jh...@dataix.net writes: Sorry but this security advisory has nothing to do with your misconfiguration of your system. Perhaps you should read the updated advisory before shooting Richard down in flames. DES -- Dag-Erling Smørgrav - d...@des.no ___ 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
Re: FreeBSD Security Advisory FreeBSD-SA-11:05.unix [REVISED]
Sorry but this security advisory has nothing to do with your misconfiguration of your system. On Sun, Nov 20, 2011 at 11:18:33PM +, Richard M. Timoney wrote: As far as I can see the bug mentioned in the above advisory is not fully fixed. When logged in to a FreeBSD 8.2 machine with freshly updated /usr/src (world and kernel) [made on Wed Nov 16] via an XDMCP session, acroread says No protocol specified (acroread:2908): Gtk-WARNING **: cannot open display: pc200404.maths.tcd.ie:0.0 Logged in to the same host via ssh -Y , I have DISPLAY set to something like localhost:10.0 and acroread does launch. It also launches on the console X display. I would be happy with pointers as to a fix for this. Yours, Richard Timoney -- Richard M. Timoney (richa...@maths.tcd.ie) Tel. +353-1-896 1196 School of Mathematics, Trinity College, Dublin 2, Ireland WWW http://www.maths.tcd.ie/~richardt FAX +353-1-896 2282 ___ 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 ___ 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
Re: FreeBSD Security Advisory FreeBSD-SA-11:05.unix [REVISED]
On 10/04/11 20:15, FreeBSD Security Advisories wrote: = FreeBSD-SA-11:05.unix Security Advisory The FreeBSD Project Topic: Buffer overflow in handling of UNIX socket addresses Category: core Module: kern Announced: 2011-09-28 Credits:Mateusz Guzik Affects:All supported versions of FreeBSD. snip IV. Workaround No workaround is available, but systems without untrusted local users are not vulnerable. Does this affect a default FreeBSD install? I believe linux emulation support is disabled by default? Mark ___ 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
Re: FreeBSD Security Advisory FreeBSD-SA-11:05.unix [REVISED]
On 04/10/2011 21:38, Mark Duller wrote: On 10/04/11 20:15, FreeBSD Security Advisories wrote: = FreeBSD-SA-11:05.unix Security Advisory The FreeBSD Project Topic: Buffer overflow in handling of UNIX socket addresses Category: core Module: kern Announced: 2011-09-28 Credits:Mateusz Guzik Affects:All supported versions of FreeBSD. snip IV. Workaround No workaround is available, but systems without untrusted local users are not vulnerable. Does this affect a default FreeBSD install? I believe linux emulation support is disabled by default? Ish. Sort of. The default system contains the linux.ko loadable module which is not loaded by default, but would be caused to automatically load into the kernel by installing one of the linux_base ports. Nothing needs to be re-compiled in order to enable linux compat, and it doesn't even require a reboot, but it does require root privileges to kldload the module. The underlying unix domain socket vulnerability affected all released and development versions of FreeBSD up to the point where the advisory was first issued. If you'ld applied the patches from the original advisory then you should already be secure. If your system definitely doesn't run any linux binaries and never will do, then the additional bits in the revised patch won't do anything for you. However, without the additional changes any linux applications that try to use unix domain sockets will crash. This doesn't result in any additional security exposure, but it certainly won't endear your users to you. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate JID: matt...@infracaninophile.co.uk Kent, CT11 9PW signature.asc Description: OpenPGP digital signature
