Flaw resides in BTB helps bypass ASLR

2016-10-20 Thread Peter Janos
Hello, http://news.softpedia.com/news/researchers-bypass-aslr-protection-on-intel-ha swell-cpu-509460.shtml   paper: http://www.cs.ucr.edu/~nael/pubs/micro16.pdf[http://www.cs.ucr.edu/~nael/pubs /micro16.pdf]   could we somehow prevent this attack on OpenBSD?

Re: SSHowDowN

2016-10-18 Thread Peter Janos
"Christian Weisgerber" To: misc@openbsd.org Subject: Re: SSHowDowN On 2016-10-18, "Peter Janos" wrote: > so having AllowTcpForwarding=NO would help. > > Why is it yes by default? someone requested it to be yes? does anybody know? It has always been like this. OpenSS

Re: SSHowDowN

2016-10-18 Thread Peter Janos
nbsd.org Subject: Re: SSHowDowN On 10/18/2016 10:56 AM, Peter Janos wrote: > sometimes I send mails in HTML format, sorry for that, mail.com has this by > default.. > > so the PDF also states that the "admin" user had /sbin/nologin for shell > > -- > http:/

Re: SSHowDowN

2016-10-18 Thread Peter Janos
default? someone requested it to be yes? does anybody know? Thanks.   Sent: Tuesday, October 18, 2016 at 10:46 AM From: "Christian Gruhl" To: misc@openbsd.org Subject: Re: SSHowDowN On 10/18/2016 10:41 AM, Sol��ne Rapenne wrote: > Le 2016-10-18 10:35, Peter Janos a ��crit : >> sh

SSHowDowN

2016-10-18 Thread Peter Janos
shouldn't the default be "no" for the AllowTcpForwarding? Why is an insecure option "yes" by default? https://www.akamai.com/us/en/multimedia/documents/state-of-the-internet/sshowdown-exploitation-of-iot-devices-for-launching-mass-scale-attack-campaigns.pdf Thanks.

Re: What are the security features in OpenBSD 6.0 that are by default disabled?

2016-10-16 Thread Peter Janos
Otto Moerbeek" To: "Peter Janos" Cc: "openbsd misc" Subject: Re: What are the security features in OpenBSD 6.0 that are by default disabled? On Fri, Oct 14, 2016 at 09:21:24AM +0200, Peter Janos wrote: > Hello, > > I know some features that can give additional

Fw: RE: RE: OpenBSD PaX Test question

2016-10-16 Thread Peter Janos
if anyone interested, correction for the pax topic Sent: Tuesday, October 11, 2016 at 3:57 PM From: "W. Dean Freeman" To: "'Peter Janos'" Subject: RE: RE: OpenBSD PaX Test questionIncreasing the stack gap size isn't necessarily bad or good. Basically, you'

Re: What are the security features in OpenBSD 6.0 that are by default disabled?

2016-10-15 Thread Peter Janos
remote supervisor/console solutions are still turned on while the server is off, so simply powering off the OS isn't enough.there were/will be many bugs for these remote console solutions too Sent: Friday, October 14, 2016 at 9:48 PM From: "Raul Miller" To: "thrph.i...@gmail.com" Cc: "OpenBSD gen

What are the security features in OpenBSD 6.0 that are by default disabled?

2016-10-14 Thread Peter Janos
Hello, I know some features that can give additional security isn't turned on due to because of the bad quality of the code in ports and some also decreases performance (or disables a feature, ex.: screenlock doesn't work if nosuid set, but if feature not used, nousid can be used). I only know ab

New OpenSSL double-free and invalid free vulnerabilities in X509 parsing

2016-10-13 Thread Peter Janos
Hello gods, http://seclists.org/fulldisclosure/2016/Oct/62 -> https://github.com/guidovranken/openssl-x509-vulnerabilities   a little bit old, but LibreSSL got this?   The original X509_NAME decode free code was buggy: this could result in double free or leaks if a malloc failure occurred. Simpli

Re: Fix paxtest output on OpenBSD 6.0?

2016-10-03 Thread Peter Janos
bits (guessed) "to 20 quality bits". Thanks! Sent: Sunday, October 02, 2016 at 12:12 PM From: "Peter Janos" To: misc@openbsd.org Subject: Fix paxtest output on OpenBSD 6.0?Fix paxtest output on OpenBSD 6.0? Hallo :) Also I included a few other OS. Mirror for the post is her

Fix paxtest output on OpenBSD 6.0?

2016-10-02 Thread Peter Janos
Fix paxtest output on OpenBSD 6.0? Hallo :) Also I included a few other OS. Mirror for the post is here: https://pastebin.com/raw/y9qHwZxi Tests are after a default/fresh install (not livecd), using https://www.grsecurity.net/~spender/paxtest-0.9.15.tar.gz All OS were installed/

Fix paxtest output on OpenBSD 6.0?

2016-10-02 Thread Peter Janos
Hallo :) Also I included a few other OS. Mirror for the post: https://pastebin.com/raw/y9qHwZxi Tests are after a default/fresh install (not livecd), using https://www.grsecurity.net/~spender/paxtest-0.9.15.tar.gz All OS were installed/tested in VirtualBox-5.1.6_110634_el7-1.x86_64 on a R