polkit: fix CVE-2021-3560.

This commit is contained in:
Érico Nogueira 2021-06-11 00:21:23 -03:00
parent 35d47c945e
commit f93bd4879d
2 changed files with 28 additions and 1 deletions

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@ -0,0 +1,27 @@
From a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81 Mon Sep 17 00:00:00 2001
From: Jan Rybar <jrybar@redhat.com>
Date: Wed, 2 Jun 2021 15:43:38 +0200
Subject: [PATCH] GHSL-2021-074: authentication bypass vulnerability in polkit
initial values returned if error caught
---
src/polkit/polkitsystembusname.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/polkit/polkitsystembusname.c b/src/polkit/polkitsystembusname.c
index 8daa12c..8ed1363 100644
--- src/polkit/polkitsystembusname.c
+++ src/polkit/polkitsystembusname.c
@@ -435,6 +435,9 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName *system_bus
while (!((data.retrieved_uid && data.retrieved_pid) || data.caught_error))
g_main_context_iteration (tmp_context, TRUE);
+ if (data.caught_error)
+ goto out;
+
if (out_uid)
*out_uid = data.uid;
if (out_pid)
--
GitLab

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@ -1,7 +1,7 @@
# Template file for 'polkit'
pkgname=polkit
version=0.118
revision=1
revision=2
build_style=gnu-configure
build_helper=gir
configure_args="$(vopt_enable gir introspection) -disable-static