[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1321036033.22556.12.camel@mdlinux>
Date: Fri, 11 Nov 2011 13:27:13 -0500
From: Marc Deslauriers <marc.deslauriers@...onical.com>
To: oss-security@...ts.openwall.com
Subject: Re: Re: [LightDM] Version 1.0.6 released
On Fri, 2011-11-11 at 10:05 +0000, John Haxby wrote:
> On 11/11/11 08:06, Guido Berhoerster wrote:
> > Replacing the file between the lstat and the open would change
> > its inode and then be caught by the check before the fchown, no?
>
> Nope. There is no reason why the same inode should not be reused.
>
> On ext4 (btrfs seems to be different):
>
> $ touch test; ls -i test; rm test; touch test; ls -i test
> 656078 test
> 656078 test
>
> jch
How about the attached patch?
Marc.
View attachment "04_CVE-2011-4105.patch" of type "text/x-patch" (1512 bytes)
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
