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 @@ | |||
1 | From 39ff1b79f687b65f4144ddb379f22587003443fb Mon Sep 17 00:00:00 2001 | ||
2 | From: Nick Clifton <nickc@redhat.com> | ||
3 | Date: Tue, 2 May 2017 11:54:53 +0100 | ||
4 | Subject: [PATCH] Prevent memory exhaustion from a corrupt PE binary with an | ||
5 | overlarge number of relocs. | ||
6 | |||
7 | PR 21440 | ||
8 | * objdump.c (dump_relocs_in_section): Check for an excessive | ||
9 | number of relocs before attempting to dump them. | ||
10 | |||
11 | Upstream-Status: Backport | ||
12 | CVE: CVE-2017-8421 | ||
13 | Signed-off-by: Armin Kuster <akuster@mvista.com> | ||
14 | |||
15 | --- | ||
16 | binutils/ChangeLog | 6 ++++++ | ||
17 | binutils/objdump.c | 8 ++++++++ | ||
18 | 2 files changed, 14 insertions(+) | ||
19 | |||
20 | Index: git/binutils/objdump.c | ||
21 | =================================================================== | ||
22 | --- git.orig/binutils/objdump.c | ||
23 | +++ git/binutils/objdump.c | ||
24 | @@ -3311,6 +3311,14 @@ dump_relocs_in_section (bfd *abfd, | ||
25 | return; | ||
26 | } | ||
27 | |||
28 | + if ((bfd_get_file_flags (abfd) & (BFD_IN_MEMORY | BFD_LINKER_CREATED)) == 0 | ||
29 | + && relsize > get_file_size (bfd_get_filename (abfd))) | ||
30 | + { | ||
31 | + printf (" (too many: 0x%x)\n", section->reloc_count); | ||
32 | + bfd_set_error (bfd_error_file_truncated); | ||
33 | + bfd_fatal (bfd_get_filename (abfd)); | ||
34 | + } | ||
35 | + | ||
36 | relpp = (arelent **) xmalloc (relsize); | ||
37 | relcount = bfd_canonicalize_reloc (abfd, section, relpp, syms); | ||
38 | |||
39 | Index: git/binutils/ChangeLog | ||
40 | =================================================================== | ||
41 | --- git.orig/binutils/ChangeLog | ||
42 | +++ git/binutils/ChangeLog | ||
43 | @@ -1,3 +1,9 @@ | ||
44 | +2017-05-02 Nick Clifton <nickc@redhat.com> | ||
45 | + | ||
46 | + PR 21440 | ||
47 | + * objdump.c (dump_relocs_in_section): Check for an excessive | ||
48 | + number of relocs before attempting to dump them. | ||
49 | + | ||
50 | 2017-04-28 Nick Clifton <nickc@redhat.com> | ||
51 | |||
52 | PR binutils/21438 | ||