diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2017-7300.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-7300.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7300.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7300.patch new file mode 100644 index 0000000000..c4432e76b0 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7300.patch @@ -0,0 +1,55 @@ +From 531336e3a0b79ed60cfc36ad2d6579b6a71175da Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Fri, 2 Dec 2016 16:41:14 +0000 +Subject: [PATCH] Fix seg-fault in the linker when examining a corrupt binary. + + PR ld/20909 + * aoutx.h (aout_link_add_symbols): Fix off-by-one error in check + for an illegal string offset. + +Upstream-Status: Backport +CVE: CVE-2017-7300 +VER: < 2.27-r0.9.1 +Signed-off-by: Manjunath Matti <mmatti@mvista.com> + +--- + bfd/ChangeLog | 6 ++++++ + bfd/aoutx.h | 3 +-- + 2 files changed, 7 insertions(+), 2 deletions(-) + +diff --git a/bfd/ChangeLog b/bfd/ChangeLog +index d061e66..c8085e7 100644 +--- a/bfd/ChangeLog ++++ b/bfd/ChangeLog +@@ -175,6 +175,12 @@ + * aoutx.h (find_nearest_line): Handle the case where the function + name is empty. + ++2016-12-02 Nick Clifton <nickc@redhat.com> ++ ++ PR ld/20909 ++ * aoutx.h (aout_link_add_symbols): Fix off-by-one error in check ++ for an illegal string offset. ++ + 2016-08-02 Nick Clifton <nickc@redhat.com> + + PR ld/17739 +diff --git a/bfd/aoutx.h b/bfd/aoutx.h +index 4308679..b9ac2b7 100644 +--- a/bfd/aoutx.h ++++ b/bfd/aoutx.h +@@ -3031,10 +3031,9 @@ aout_link_add_symbols (bfd *abfd, struct bfd_link_info *info) + continue; + + /* PR 19629: Corrupt binaries can contain illegal string offsets. */ +- if (GET_WORD (abfd, p->e_strx) > obj_aout_external_string_size (abfd)) ++ if (GET_WORD (abfd, p->e_strx) >= obj_aout_external_string_size (abfd)) + return FALSE; + name = strings + GET_WORD (abfd, p->e_strx); +- + value = GET_WORD (abfd, p->e_value); + flags = BSF_GLOBAL; + string = NULL; +-- +2.9.3 + |