[oe-commits] [openembedded-core] 06/36: libcgroup: CVE-2018-14348

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rpurdie pushed a commit to branch master
in repository openembedded-core.

commit 37101fa37107c498393492ccdbc8652f685b6cce
Author: Jagadeesh Krishnanjanappa <jkrishnanjanappa at mvista.com>
AuthorDate: Mon Aug 27 22:43:20 2018 +0530

    libcgroup: CVE-2018-14348
    
    Affects libcgroup <= 0.41
    
    Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa at mvista.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../libcgroup/libcgroup/CVE-2018-14348.patch       | 37 ++++++++++++++++++++++
 meta/recipes-core/libcgroup/libcgroup_0.41.bb      |  3 +-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/libcgroup/libcgroup/CVE-2018-14348.patch b/meta/recipes-core/libcgroup/libcgroup/CVE-2018-14348.patch
new file mode 100644
index 0000000..d133703
--- /dev/null
+++ b/meta/recipes-core/libcgroup/libcgroup/CVE-2018-14348.patch
@@ -0,0 +1,37 @@
+From 0d88b73d189ea3440ccaab00418d6469f76fa590 Mon Sep 17 00:00:00 2001
+From: Michal Hocko <mhocko at suse.com>
+Date: Wed, 18 Jul 2018 11:24:29 +0200
+Subject: [PATCH] cgrulesengd: remove umask(0)
+
+One of our partners has noticed that cgred daemon is creating a log file
+(/var/log/cgred) with too wide permissions (0666) and that is seen as
+a security bug because an untrusted user can write to otherwise
+restricted area. CVE-2018-14348 has been assigned to this issue.
+
+CVE: CVE-2018-14348
+Upstream-Status: Backport [https://sourceforge.net/p/libcg/libcg/ci/0d88b73d189ea3440ccaab00418d6469f76fa590]
+
+Signed-off-by: Michal Hocko <mhocko at suse.com>
+Acked-by: Balbir Singh <bsingharora at gmail.com>
+Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa at mvista.com>
+---
+ src/daemon/cgrulesengd.c | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/src/daemon/cgrulesengd.c b/src/daemon/cgrulesengd.c
+index ea51f11..0d288f3 100644
+--- a/src/daemon/cgrulesengd.c
++++ b/src/daemon/cgrulesengd.c
+@@ -889,9 +889,6 @@ int cgre_start_daemon(const char *logp, const int logf,
+ 		} else if (pid > 0) {
+ 			exit(EXIT_SUCCESS);
+ 		}
+-
+-		/* Change the file mode mask. */
+-		umask(0);
+ 	} else {
+ 		flog(LOG_DEBUG, "Not using daemon mode\n");
+ 		pid = getpid();
+-- 
+2.13.3
+
diff --git a/meta/recipes-core/libcgroup/libcgroup_0.41.bb b/meta/recipes-core/libcgroup/libcgroup_0.41.bb
index 7ddc81e..92d7261 100644
--- a/meta/recipes-core/libcgroup/libcgroup_0.41.bb
+++ b/meta/recipes-core/libcgroup/libcgroup_0.41.bb
@@ -11,7 +11,8 @@ inherit autotools pkgconfig
 
 DEPENDS = "bison-native flex-native"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/project/libcg/${BPN}/v0.41/${BPN}-${PV}.tar.bz2"
+SRC_URI = "${SOURCEFORGE_MIRROR}/project/libcg/${BPN}/v0.41/${BPN}-${PV}.tar.bz2 \
+           file://CVE-2018-14348.patch"
 SRC_URI_append_libc-musl = " file://musl-decls-compat.patch"
 
 SRC_URI[md5sum] = "3dea9d50b8a5b73ff0bf1cdcb210f63f"

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