From 1b709e6837dca57e8416fd6066b5a3d821a13fca Mon Sep 17 00:00:00 2001 From: Armin Kuster Date: Wed, 8 Aug 2018 13:20:03 -0700 Subject: Binutils: Security fix for CVE-2018-7208 Affects: <= 2.30 (From OE-Core rev: fc5adfb0af0cae0071c0136068f37fd35529fc7f) Signed-off-by: Armin Kuster Signed-off-by: Richard Purdie --- meta/recipes-devtools/binutils/binutils-2.29.1.inc | 1 + .../binutils/binutils/CVE-2018-7208.patch | 47 ++++++++++++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch diff --git a/meta/recipes-devtools/binutils/binutils-2.29.1.inc b/meta/recipes-devtools/binutils/binutils-2.29.1.inc index c668e63efc..13389a1d30 100644 --- a/meta/recipes-devtools/binutils/binutils-2.29.1.inc +++ b/meta/recipes-devtools/binutils/binutils-2.29.1.inc @@ -72,6 +72,7 @@ SRC_URI = "\ file://CVE-2018-13033.patch \ file://CVE-2018-6323.patch \ file://CVE-2018-6759.patch \ + file://CVE-2018-7208.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch new file mode 100644 index 0000000000..7d78db7eb3 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch @@ -0,0 +1,47 @@ +From eb77f6a4621795367a39cdd30957903af9dbb815 Mon Sep 17 00:00:00 2001 +From: Alan Modra +Date: Sat, 27 Jan 2018 08:19:33 +1030 +Subject: [PATCH] PR22741, objcopy segfault on fuzzed COFF object + + PR 22741 + * coffgen.c (coff_pointerize_aux): Ensure auxent tagndx is in + range before converting to a symbol table pointer. + +Upstream-Status: Backport +Affects: <= 2.30 +CVE: CVE-2018-7208 +Signed-off-by: Armin Kuster + +--- + bfd/ChangeLog | 6 ++++++ + bfd/coffgen.c | 3 ++- + 2 files changed, 8 insertions(+), 1 deletion(-) + +Index: git/bfd/coffgen.c +=================================================================== +--- git.orig/bfd/coffgen.c ++++ git/bfd/coffgen.c +@@ -1555,7 +1555,8 @@ coff_pointerize_aux (bfd *abfd, + } + /* A negative tagndx is meaningless, but the SCO 3.2v4 cc can + generate one, so we must be careful to ignore it. */ +- if (auxent->u.auxent.x_sym.x_tagndx.l > 0) ++ if ((unsigned long) auxent->u.auxent.x_sym.x_tagndx.l ++ < obj_raw_syment_count (abfd)) + { + auxent->u.auxent.x_sym.x_tagndx.p = + table_base + auxent->u.auxent.x_sym.x_tagndx.l; +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog ++++ git/bfd/ChangeLog +@@ -1,3 +1,9 @@ ++2018-01-29 Alan Modra ++ ++ PR 22741 ++ * coffgen.c (coff_pointerize_aux): Ensure auxent tagndx is in ++ range before converting to a symbol table pointer. ++ + 2018-02-06 Nick Clifton + + PR 22794 -- cgit v1.2.3-54-g00ecf