From a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81 Mon Sep 17 00:00:00 2001
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From: Jan Rybar <jrybar@redhat.com>
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Date: Wed, 2 Jun 2021 15:43:38 +0200
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Subject: [PATCH] GHSL-2021-074: authentication bypass vulnerability in polkit
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initial values returned if error caught
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CVE: CVE-2021-3560
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Upstream-Status: Backport [https://gitlab.freedesktop.org/polkit/polkit/-/commit/a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81]
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Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
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---
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src/polkit/polkitsystembusname.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/polkit/polkitsystembusname.c b/src/polkit/polkitsystembusname.c
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index 8daa12c..8ed1363 100644
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--- a/src/polkit/polkitsystembusname.c
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+++ b/src/polkit/polkitsystembusname.c
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@@ -435,6 +435,9 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName *system_bus
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while (!((data.retrieved_uid && data.retrieved_pid) || data.caught_error))
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g_main_context_iteration (tmp_context, TRUE);
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+ if (data.caught_error)
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+ goto out;
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+
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if (out_uid)
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*out_uid = data.uid;
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if (out_pid)
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--
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2.29.2
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