Re: CVE-2018-14665 : Xorg X Server Vulnerabilities

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Chris Adams píše v Čt 01. 11. 2018 v 09:53 -0500:
> Once upon a time, Cătălin George Feștilă <catalinfest@xxxxxxxxx>
> said:
> > Thank you!
> > 
> > On Thu, Nov 1, 2018 at 4:38 PM Reindl Harald <
> > h.reindl@xxxxxxxxxxxxx> wrote:
> > 
> > > 
> > > Am 01.11.18 um 15:33 schrieb Cătălin George Feștilă:
> > > > https://www.securepatterns.com/2018/10/cve-2018-14665-xorg-x-server.html
> > > 
> > > https://fedoraproject.org/wiki/Features/RemoveSETUID
> > > Targeted release: Fedora 15
> > > 
> > > ls -la /usr/bin/Xorg
> > > -rwxr-xr-x 1 root root 273 2018-04-23 20:16 /usr/bin/Xorg
> 
> That means nothing... that's just a shell script that calls:
> 
> $ ls -l /usr/libexec/Xorg.wrap
> -rwsr-xr-x. 1 root root 11376 Apr 12  2018 /usr/libexec/Xorg.wrap
> 
> which is where the problem lies.  I think SELinux should help
> (because
> it should stop writes to lots of things), but I haven't seen a bug or
> statement from Fedora about vulnerability.

I wonder if Fedora has even been affected. I was not able to reproduce
the exploit on Fedora 29 Workstation (with Xorg older than the one
fixing the issue).

Jiri

>  
> Chris Adams <linux@xxxxxxxxxxx>
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