connman: fix CVE-2021-26675, CVE-2021-26676

A stack-based buffer overflow in dnsproxy in ConnMan before 1.39
could be used by network adjacent attackers to execute code.

gdhcp in ConnMan before 1.39 could be used by network-adjacent.
attackers to leak sensitive stack information, allowing further
exploitation of bugs in gdhcp.

References:
https://nvd.nist.gov/vuln/detail/CVE-2021-26675
https://nvd.nist.gov/vuln/detail/CVE-2021-26676

Upstream patches:
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cb
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1

(From OE-Core rev: 3c78000aaf8e4ee8ffb7674f5c286e2c110f167b)

Signed-off-by: Catalin Enache <catalin.enache@windriver.com>
Signed-off-by: Randy MacLeod <Randy.MacLeod@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/connman/connman_1.37.bb b/meta/recipes-connectivity/connman/connman_1.37.bb
index 00852bf0d6..bdab4c4f18 100644
--- a/meta/recipes-connectivity/connman/connman_1.37.bb
+++ b/meta/recipes-connectivity/connman/connman_1.37.bb
@@ -6,6 +6,9 @@ SRC_URI  = "${KERNELORG_MIRROR}/linux/network/${BPN}/${BP}.tar.xz \
             file://0001-gweb-fix-segfault-with-musl-v1.1.21.patch \
             file://connman \
             file://no-version-scripts.patch \
+            file://CVE-2021-26675.patch \
+            file://CVE-2021-26676-0001.patch \
+            file://CVE-2021-26676-0002.patch \
 "
 
 SRC_URI_append_libc-musl = " file://0002-resolve-musl-does-not-implement-res_ninit.patch"