From b88129ed328adb3760f159e8f334534c1641d502 Mon Sep 17 00:00:00 2001 From: Ross Burton Date: Tue, 28 Jun 2022 14:29:34 +0100 Subject: busybox: fix CVE-2022-30065 (From OE-Core rev: bf3d981b0303eab91d4cb19092ac27b489c8ad27) Signed-off-by: Ross Burton Signed-off-by: Alexandre Belloni Signed-off-by: Richard Purdie --- .../busybox/busybox/CVE-2022-30065.patch | 29 ++++++++++++++++++++++ meta/recipes-core/busybox/busybox_1.35.0.bb | 1 + 2 files changed, 30 insertions(+) create mode 100644 meta/recipes-core/busybox/busybox/CVE-2022-30065.patch (limited to 'meta/recipes-core/busybox') diff --git a/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch b/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch new file mode 100644 index 0000000000..25ad653b25 --- /dev/null +++ b/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch @@ -0,0 +1,29 @@ +Fix use-after-free in awk. + +CVE: CVE-2022-30065 +Upstream-Status: Submitted [http://lists.busybox.net/pipermail/busybox/2022-June/089768.html] +Signed-off-by: Ross Burton + +fixes https://bugs.busybox.net/show_bug.cgi?id=14781 + +Signed-off-by: Natanael Copa +--- + editors/awk.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/editors/awk.c b/editors/awk.c +index 079d0bde5..728ee8685 100644 +--- a/editors/awk.c ++++ b/editors/awk.c +@@ -3128,6 +3128,9 @@ static var *evaluate(node *op, var *res) + + case XC( OC_MOVE ): + debug_printf_eval("MOVE\n"); ++ /* make sure that we never return a temp var */ ++ if (L.v == TMPVAR0) ++ L.v = res; + /* if source is a temporary string, jusk relink it to dest */ + if (R.v == TMPVAR1 + && !(R.v->type & VF_NUMBER) +-- +2.36.1 diff --git a/meta/recipes-core/busybox/busybox_1.35.0.bb b/meta/recipes-core/busybox/busybox_1.35.0.bb index f2f1b35902..edf896485e 100644 --- a/meta/recipes-core/busybox/busybox_1.35.0.bb +++ b/meta/recipes-core/busybox/busybox_1.35.0.bb @@ -49,6 +49,7 @@ SRC_URI = "https://busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \ file://0001-sysctl-ignore-EIO-of-stable_secret-below-proc-sys-ne.patch \ file://0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch \ file://0002-nslookup-sanitize-all-printed-strings-with-printable.patch \ + file://CVE-2022-30065.patch \ " SRC_URI:append:libc-musl = " file://musl.cfg " -- cgit v1.2.3-54-g00ecf