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polkit: fix local priviledge escalation in pkexec

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> We discovered a Local Privilege Escalation (from any user to root) in
> polkit's pkexec, a SUID-root program that is installed by default on
> every major Linux distribution

https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt

Fixes: CVE-2021-4034
This commit is contained in:
Martin Weinelt 2022-01-25 19:57:24 +01:00 committed by Jonathan Ringer
parent e74ccf2d72
commit bd3256cf4f
1 changed files with 5 additions and 0 deletions
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pkgs/development/libraries/polkit/default.nix
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@ -60,6 +60,11 @@ stdenv.mkDerivation rec {
url = "https://gitlab.freedesktop.org/polkit/polkit/-/commit/7ba07551dfcd4ef9a87b8f0d9eb8b91fabcb41b3.patch";
sha256 = "ebbLILncq1hAZTBMsLm+vDGw6j0iQ0crGyhzyLZQgKA=";
})
# pkexec: local privilege escalation (CVE-2021-4034)
(fetchpatch {
url = "https://gitlab.freedesktop.org/polkit/polkit/-/commit/a2bf5c9c83b6ae46cbd5c779d3055bff81ded683.patch";
sha256 = "162jkpg2myq0rb0s5k3nfr4pqwv9im13jf6vzj8p5l39nazg5i4s";
})
] ++ lib.optionals stdenv.hostPlatform.isMusl [
# Make netgroup support optional (musl does not have it)
# Upstream MR: https://gitlab.freedesktop.org/polkit/polkit/merge_requests/10