01/02: activation: Do not make setuid programs setgid-root [security].

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit aa8de806252e3835d57fab351b02d13db762deac
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Tue Feb 9 09:55:27 2021 +0100

    activation: Do not make setuid programs setgid-root [security].
    
    Fixes <https://bugs.gnu.org/46395>.
    Reported by Duncan Overbruck <mail@duncano.de>.
    
    * gnu/build/activation.scm (activate-setuid-programs): Change TARGET
    mode to not be setgid.
---
 gnu/build/activation.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/build/activation.scm b/gnu/build/activation.scm
index 4b67926..b458aee 100644
--- a/gnu/build/activation.scm
+++ b/gnu/build/activation.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès 
<ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic 
Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -234,7 +234,7 @@ they already exist."
                                  "/" (basename prog))))
       (copy-file prog target)
       (chown target 0 0)
-      (chmod target #o6555)))
+      (chmod target #o4555)))
 
   (format #t "setting up setuid programs in '~a'...~%"
           %setuid-directory)