diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch')
-rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch | 47 |
1 files changed, 47 insertions, 0 deletions
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 <amodra@gmail.com> +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 <akuster@mvista.com> + +--- + 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 <amodra@gmail.com> ++ ++ 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 <nickc@redhat.com> + + PR 22794 |