Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > muc.lists.netbsd.tech.security > #219

Re: hardlinks to setuid binaries

From Michael Richardson <mcr@sandelman.ca>
Newsgroups muc.lists.netbsd.tech.security
Subject Re: hardlinks to setuid binaries
Date 2022-03-31 12:58 -0400
Organization Newsgate at muc.de e.V.
Message-ID <19821.1648745882@localhost> (permalink)
References <4455.1648471351@splode.eterna.com.au> <YkIb/vQFoRKNZGOy@netbsd.org> <YkDENW2pDkWu7i8V@bec.de> <CAHK3FNwHNT619Nq3NCiktpU77=n6RC9Wq+hK6BU4AyJSdJQ7tQ@mail.gmail.com>

Show all headers | View raw


[Multipart message — attachments visible in raw view] - view raw

George Georgalis <george@galis.org> wrote:
    > However, an audit of package hardlink count, warning on check,
    > block on upgrade (without --force), to facilitate finding extra links,
    > seems like a low cost sanity check?

It sure seems like it's the upgrade process that needs to care to remove
"old" suid bits on old executables.  Or alternatively, overwrite them without
changing the inode.  It's a tussle as to which is better.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [

Back to muc.lists.netbsd.tech.security | Previous | NextPrevious in thread | Next in thread | Find similar


Thread

hardlinks to setuid binaries Jan Schaumann <jschauma@netmeister.org> - 2022-03-25 09:37 -0400
  Re: hardlinks to setuid binaries Michael Richardson <mcr@sandelman.ca> - 2022-03-25 16:21 +0100
    Re: hardlinks to setuid binaries "Jonathan A. Kollasch" <jakllsch@kollasch.net> - 2022-03-25 11:12 -0500
    Re: hardlinks to setuid binaries George Georgalis <george@galis.org> - 2022-03-25 10:06 -0700
  Re: hardlinks to setuid binaries Jan Schaumann <jschauma@netmeister.org> - 2022-03-25 17:34 -0400
  Re: hardlinks to setuid binaries Robert Elz <kre@munnari.OZ.AU> - 2022-03-26 04:42 +0700
    Re: hardlinks to setuid binaries Brook Milligan <brook@nmsu.edu> - 2022-03-25 15:51 -0600
    Re: hardlinks to setuid binaries Jan Schaumann <jschauma@netmeister.org> - 2022-03-25 18:29 -0400
      Re: hardlinks to setuid binaries Taylor R Campbell <campbell+netbsd-tech-security@mumble.net> - 2022-03-25 23:00 +0000
        Re: hardlinks to setuid binaries David Sainty <david.sainty@gmail.com> - 2022-03-26 18:58 +1300
        Re: hardlinks to setuid binaries Martin Husemann <martin@duskware.de> - 2022-03-26 07:05 +0100
          Re: hardlinks to setuid binaries Simon Burge <simonb@NetBSD.org> - 2022-03-26 17:17 +1100
          Re: hardlinks to setuid binaries Valery Ushakov <uwe@stderr.spb.ru> - 2022-03-26 17:47 +0300
  Re: hardlinks to setuid binaries Taylor R Campbell <campbell+netbsd-tech-security@mumble.net> - 2022-03-26 11:19 +0000
  Re: hardlinks to setuid binaries David Sainty <david.sainty@gmail.com> - 2022-03-27 00:45 +1300
  Re: hardlinks to setuid binaries Jan Schaumann <jschauma@netmeister.org> - 2022-03-26 11:52 -0400
  Re: hardlinks to setuid binaries Thor Lancelot Simon <tls@panix.com> - 2022-03-27 13:47 -0400
  Re: hardlinks to setuid binaries Joerg Sonnenberger <joerg@bec.de> - 2022-03-27 22:08 +0200
    re: hardlinks to setuid binaries matthew green <mrg@eterna.com.au> - 2022-03-28 23:42 +1100
      Re: hardlinks to setuid binaries George Georgalis <george@galis.org> - 2022-03-30 18:00 -0700
        Re: hardlinks to setuid binaries Michael Richardson <mcr@sandelman.ca> - 2022-03-31 12:58 -0400
          Re: hardlinks to setuid binaries Steffen Nurpmeso <steffen@sdaoden.eu> - 2022-03-31 19:09 +0200
            Re: hardlinks to setuid binaries George Georgalis <george@galis.org> - 2022-04-01 15:37 -0700
              Re: hardlinks to setuid binaries Steffen Nurpmeso <steffen@sdaoden.eu> - 2022-04-02 01:21 +0200
    Re: hardlinks to setuid binaries David Holland <dholland-security@netbsd.org> - 2022-03-28 20:35 +0000
  Re: hardlinks to setuid binaries David Holland <dholland-security@netbsd.org> - 2022-03-27 23:22 +0000

csiph-web