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authorMingli Yu <mingli.yu@windriver.com>2021-08-18 17:19:16 +0800
committerKhem Raj <raj.khem@gmail.com>2021-08-20 09:26:17 -0700
commitb65c646b25a2652de02ba2adbbef942b5b475e7f (patch)
tree13c451709572497100950c22c224889be813e611
parent7982a1260fa16832d9a8ec89c4fa36c64d5c96b4 (diff)
downloadmeta-openembedded-contrib-b65c646b25a2652de02ba2adbbef942b5b475e7f.tar.gz
polkit: fix CVE-2021-3560
Backport a patch [1] to fix CVE-2021-3560. [1] https://gitlab.freedesktop.org/polkit/polkit/-/commit/a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81 Signed-off-by: Mingli Yu <mingli.yu@windriver.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
-rw-r--r--meta-oe/recipes-extended/polkit/polkit/CVE-2021-3560.patch31
-rw-r--r--meta-oe/recipes-extended/polkit/polkit_0.116.bb1
2 files changed, 32 insertions, 0 deletions
diff --git a/meta-oe/recipes-extended/polkit/polkit/CVE-2021-3560.patch b/meta-oe/recipes-extended/polkit/polkit/CVE-2021-3560.patch
new file mode 100644
index 0000000000..daf0b1edbd
--- /dev/null
+++ b/meta-oe/recipes-extended/polkit/polkit/CVE-2021-3560.patch
@@ -0,0 +1,31 @@
+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
+
+Upstream-Status: Backport [https://gitlab.freedesktop.org/polkit/polkit/-/commit/a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81]
+
+Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
+---
+ 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
+--- a/src/polkit/polkitsystembusname.c
++++ b/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)
+--
+2.29.2
+
diff --git a/meta-oe/recipes-extended/polkit/polkit_0.116.bb b/meta-oe/recipes-extended/polkit/polkit_0.116.bb
index 55d11a6516..6408933ea3 100644
--- a/meta-oe/recipes-extended/polkit/polkit_0.116.bb
+++ b/meta-oe/recipes-extended/polkit/polkit_0.116.bb
@@ -25,6 +25,7 @@ PAM_SRC_URI = "file://polkit-1_pam.patch"
SRC_URI = "http://www.freedesktop.org/software/polkit/releases/polkit-${PV}.tar.gz \
${@bb.utils.contains('DISTRO_FEATURES', 'pam', '${PAM_SRC_URI}', '', d)} \
file://0003-make-netgroup-support-optional.patch \
+ file://CVE-2021-3560.patch \
"
SRC_URI[md5sum] = "4b37258583393e83069a0e2e89c0162a"
SRC_URI[sha256sum] = "88170c9e711e8db305a12fdb8234fac5706c61969b94e084d0f117d8ec5d34b1"