[oe-commits] [openembedded-core] 16/51: binutils: CVE-2017-7302
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Sun Jan 7 17:11:25 UTC 2018
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rpurdie pushed a commit to branch morty
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commit dbe4c78bee0ed36fc8789f1a13678be1b8c0bcf5
Author: Thiruvadi Rajaraman <trajaraman at mvista.com>
AuthorDate: Mon Sep 4 16:39:25 2017 +0530
binutils: CVE-2017-7302
Source: git://sourceware.org/git/binutils-gdb.git
MR: 74218
Type: Security Fix
Disposition: Backport from binutils-2_28-branch
ChangeID: 11677f4fb24c7a49efc23ea7d54de1bf85e74b12
Description:
Fix seg-fault running strip on a corrupt binary.
PR binutils/20921
* aoutx.h (squirt_out_relocs): Check for and report any relocs
that could not be recognised.
Affects: <= 2.28
Author: Nick Clifton <nickc at redhat.com>
Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
Reviewed-by: Armin Kuster <akuster at mvista.com>
Signed-off-by: Armin Kuster <akuster at mvista.com>
Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
meta/recipes-devtools/binutils/binutils-2.27.inc | 1 +
.../binutils/binutils/CVE-2017-7302.patch | 81 ++++++++++++++++++++++
2 files changed, 82 insertions(+)
diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index 59e46b8..936cdc3 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -64,6 +64,7 @@ SRC_URI = "\
file://CVE-2017-7225.patch \
file://CVE-2017-7227.patch \
file://CVE-2017-7301.patch \
+ file://CVE-2017-7302.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7302.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7302.patch
new file mode 100644
index 0000000..a45de0e
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7302.patch
@@ -0,0 +1,81 @@
+commit e2996cc315d6ea242e1a954dc20246485ccc8512
+Author: Nick Clifton <nickc at redhat.com>
+Date: Mon Dec 5 14:32:30 2016 +0000
+
+ Fix seg-fault running strip on a corrupt binary.
+
+ PR binutils/20921
+ * aoutx.h (squirt_out_relocs): Check for and report any relocs
+ that could not be recognised.
+
+Upstream-Status: Backport
+
+CVE: CVE-2017-7302
+Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
+
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog 2017-09-04 15:57:38.564419146 +0530
++++ git/bfd/ChangeLog 2017-09-04 16:02:31.994883900 +0530
+@@ -124,6 +124,10 @@
+ (aout_link_add_symbols): Fix off by one error checking for
+ overflow of string offset.
+
++ PR binutils/20921
++ * aoutx.h (squirt_out_relocs): Check for and report any relocs
++ that could not be recognised.
++
+ 2016-12-01 Nick Clifton <nickc at redhat.com>
+
+ PR binutils/20891
+Index: git/bfd/aoutx.h
+===================================================================
+--- git.orig/bfd/aoutx.h 2017-09-04 15:57:38.564419146 +0530
++++ git/bfd/aoutx.h 2017-09-04 16:01:08.830188291 +0530
+@@ -1952,6 +1952,7 @@
+
+ PUT_WORD (abfd, g->address, natptr->r_address);
+
++ BFD_ASSERT (g->howto != NULL);
+ r_length = g->howto->size ; /* Size as a power of two. */
+ r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
+ /* XXX This relies on relocs coming from a.out files. */
+@@ -2390,16 +2391,34 @@
+ for (natptr = native;
+ count != 0;
+ --count, natptr += each_size, ++generic)
+- MY_swap_ext_reloc_out (abfd, *generic,
+- (struct reloc_ext_external *) natptr);
++ {
++ if ((*generic)->howto == NULL)
++ {
++ bfd_set_error (bfd_error_invalid_operation);
++ _bfd_error_handler (_("%B: attempt to write out unknown reloc type"), abfd);
++ return FALSE;
++ }
++ MY_swap_ext_reloc_out (abfd, *generic,
++ (struct reloc_ext_external *) natptr);
++ }
+ }
+ else
+ {
+ for (natptr = native;
+ count != 0;
+ --count, natptr += each_size, ++generic)
+- MY_swap_std_reloc_out (abfd, *generic,
+- (struct reloc_std_external *) natptr);
++ {
++ /* PR 20921: If the howto field has not been initialised then skip
++ this reloc. */
++ if ((*generic)->howto == NULL)
++ {
++ bfd_set_error (bfd_error_invalid_operation);
++ _bfd_error_handler (_("%B: attempt to write out unknown reloc type"), abfd);
++ return FALSE;
++ }
++ MY_swap_std_reloc_out (abfd, *generic,
++ (struct reloc_std_external *) natptr);
++ }
+ }
+
+ if (bfd_bwrite ((void *) native, natsize, abfd) != natsize)
--
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