diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch new file mode 100644 index 0000000000..7969c66f30 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch @@ -0,0 +1,52 @@ +From 39ff1b79f687b65f4144ddb379f22587003443fb Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Tue, 2 May 2017 11:54:53 +0100 +Subject: [PATCH] Prevent memory exhaustion from a corrupt PE binary with an + overlarge number of relocs. + + PR 21440 + * objdump.c (dump_relocs_in_section): Check for an excessive + number of relocs before attempting to dump them. + +Upstream-Status: Backport +CVE: CVE-2017-8421 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + binutils/ChangeLog | 6 ++++++ + binutils/objdump.c | 8 ++++++++ + 2 files changed, 14 insertions(+) + +Index: git/binutils/objdump.c +=================================================================== +--- git.orig/binutils/objdump.c ++++ git/binutils/objdump.c +@@ -3311,6 +3311,14 @@ dump_relocs_in_section (bfd *abfd, + return; + } + ++ if ((bfd_get_file_flags (abfd) & (BFD_IN_MEMORY | BFD_LINKER_CREATED)) == 0 ++ && relsize > get_file_size (bfd_get_filename (abfd))) ++ { ++ printf (" (too many: 0x%x)\n", section->reloc_count); ++ bfd_set_error (bfd_error_file_truncated); ++ bfd_fatal (bfd_get_filename (abfd)); ++ } ++ + relpp = (arelent **) xmalloc (relsize); + relcount = bfd_canonicalize_reloc (abfd, section, relpp, syms); + +Index: git/binutils/ChangeLog +=================================================================== +--- git.orig/binutils/ChangeLog ++++ git/binutils/ChangeLog +@@ -1,3 +1,9 @@ ++2017-05-02 Nick Clifton <nickc@redhat.com> ++ ++ PR 21440 ++ * objdump.c (dump_relocs_in_section): Check for an excessive ++ number of relocs before attempting to dump them. ++ + 2017-04-28 Nick Clifton <nickc@redhat.com> + + PR binutils/21438 |