it did help with the proftpd exploit http://webservsec.blogspot.co.at/2011/01/grsecurity-vs-proftpd-exploit.html but i haven't tried it with kernel exploits the video isn't online anymore but the screenshot should speak for itself
2015-01-30 7:40 GMT+01:00 Marco Galicia <[email protected]>: > It would be interesting if someone does the experiment of testing in an > upathced Debian system with grsecurity kernel running. To my understanding > PAX and Grsecurity might mitigate this problem, and of course future > problems like this. > > 2015-01-30 0:30 GMT-06:00 Paul Wise <[email protected]>: > > On Fri, 2015-01-30 at 00:22 -0600, Marco Galicia wrote: >> >> > Does using something like the Grsecurity kernel helps prevent these >> > type of vulnerabilities? >> >> grsec can mitigate weaknesses in other software but it does not prevent >> those vulnerabilities from existing, it can just change the effects of >> being attacked through those vulnerabilities. >> >> > In Ghost case, a Grsecurity kernel would help? >> >> I haven't seen any analysis of that but as it is supposed to help with >> memory corruption-based exploits it should help here. >> >> > doesn't apticron does the same job as your script? >> >> Yes. >> >> PS: No need to CC folks who are clearly subscribed to the list. >> >> -- >> bye, >> pabs >> >> https://wiki.debian.org/PaulWise >> >> > > > -- > > > > > > > > *Por favor, evite enviarme documentos adjuntos en formato Word Excel o > PowerPoint.Como alternativa puede enviarme documentos en formato odt, odx u > ods, además de documentos en formato pdfSi realmente es necesario enviarme > un documento en formato Word, por favor utilize el formato .doc en lugar de > .docx Vea http://www.gnu.org/philosophy/no-word-attachments.html > <http://www.gnu.org/philosophy/no-word-attachments.html>http://es.libreoffice.org/ > <http://es.libreoffice.org/>http://getgnulinux.org/es > <http://getgnulinux.org/es>* >

