diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2017-9753.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-9753.patch | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-9753.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-9753.patch new file mode 100644 index 0000000000..241142b570 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-9753.patch @@ -0,0 +1,79 @@ +From 04f963fd489cae724a60140e13984415c205f4ac Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Wed, 14 Jun 2017 10:35:16 +0100 +Subject: [PATCH] Fix seg-faults in objdump when disassembling a corrupt + versados binary. + + PR binutils/21591 + * versados.c (versados_mkobject): Zero the allocated tdata structure. + (process_otr): Check for an invalid offset in the otr structure. + +Upstream-Status: Backport +CVE: CVE-2017-9753 +CVE: CVE-2017-9754 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + bfd/ChangeLog | 6 ++++++ + bfd/versados.c | 12 ++++++++---- + 2 files changed, 14 insertions(+), 4 deletions(-) + +Index: git/bfd/versados.c +=================================================================== +--- git.orig/bfd/versados.c ++++ git/bfd/versados.c +@@ -149,7 +149,7 @@ versados_mkobject (bfd *abfd) + if (abfd->tdata.versados_data == NULL) + { + bfd_size_type amt = sizeof (tdata_type); +- tdata_type *tdata = bfd_alloc (abfd, amt); ++ tdata_type *tdata = bfd_zalloc (abfd, amt); + + if (tdata == NULL) + return FALSE; +@@ -345,13 +345,13 @@ reloc_howto_type versados_howto_table[] + }; + + static int +-get_offset (int len, unsigned char *ptr) ++get_offset (unsigned int len, unsigned char *ptr) + { + int val = 0; + + if (len) + { +- int i; ++ unsigned int i; + + val = *ptr++; + if (val & 0x80) +@@ -394,9 +394,13 @@ process_otr (bfd *abfd, struct ext_otr * + int flag = *srcp++; + int esdids = (flag >> 5) & 0x7; + int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; +- int offsetlen = flag & 0x7; ++ unsigned int offsetlen = flag & 0x7; + int j; + ++ /* PR 21591: Check for invalid lengths. */ ++ if (srcp + esdids + offsetlen >= endp) ++ return; ++ + if (esdids == 0) + { + /* A zero esdid means the new pc is the offset given. */ +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog ++++ git/bfd/ChangeLog +@@ -8,6 +8,10 @@ + (ieee_archive_p): Likewise. + + 2017-06-14 Nick Clifton <nickc@redhat.com> ++ ++ PR binutils/21591 ++ * versados.c (versados_mkobject): Zero the allocated tdata structure. ++ (process_otr): Check for an invalid offset in the otr structure. + + PR binutils/21589 + * vms-alpha.c (_bfd_vms_get_value): Add an extra parameter - the |