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binutils: CVE-2017-9745

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Source: binutils-gdb.git
MR: 74062
Type: Security Fix
Disposition: Backport from binutils-2_29
ChangeID: 2ec9457275509bfd8dc9185fbdcd485192a82cca
Description:

    Handle EITR records in VMS Alpha binaries with overlarge command length parameters.

        PR binutils/21579
        * vms-alpha.c (_bfd_vms_slurp_etir): Extend check of cmd_length.

Affects: <= 2.28
Author: Nick Clifton <nickc@redhat.com>
(From OE-Core rev: f8542a9cf50c8001f675f68e42234c306d8ce1e7)

Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Reviewed-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Thiruvadi Rajaraman
2017-09-21 19:39:24 +05:30
committed by Richard Purdie
parent 9753c5aa54
commit 525986d6c6
2 changed files with 63 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/binutils/binutils-2.27.inc
View File

@@ -89,6 +89,7 @@ SRC_URI = "\
file://CVE-2017-9755_1.patch \
file://CVE-2017-9755_2.patch \
file://CVE-2017-9756.patch \
file://CVE-2017-9745.patch \
"
S = "${WORKDIR}/git"

62
meta/recipes-devtools/binutils/binutils/CVE-2017-9745.patch Normal file
View File

@@ -0,0 +1,62 @@
commit 76800cba595efc3fe95a446c2d664e42ae4ee869
Author: Nick Clifton <nickc@redhat.com>
Date: Thu Jun 15 12:08:57 2017 +0100
Handle EITR records in VMS Alpha binaries with overlarge command length parameters.
PR binutils/21579
* vms-alpha.c (_bfd_vms_slurp_etir): Extend check of cmd_length.
Upstream-Status: CVE-2017-9745
Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Index: git/bfd/vms-alpha.c
===================================================================
--- git.orig/bfd/vms-alpha.c 2017-09-21 16:08:57.863375204 +0530
+++ git/bfd/vms-alpha.c 2017-09-21 16:08:58.211377888 +0530
@@ -1801,14 +1801,8 @@
ptr += 4;
-#if VMS_DEBUG
- _bfd_vms_debug (4, "etir: %s(%d)\n",
- _bfd_vms_etir_name (cmd), cmd);
- _bfd_hexdump (8, ptr, cmd_length - 4, 0);
-#endif
-
- /* PR 21589: Check for a corrupt ETIR record. */
- if (cmd_length < 4)
+ /* PR 21589 and 21579: Check for a corrupt ETIR record. */
+ if (cmd_length < 4 || (ptr + cmd_length > maxptr + 4))
{
corrupt_etir:
_bfd_error_handler (_("Corrupt ETIR record encountered"));
@@ -1816,6 +1810,12 @@
return FALSE;
}
+#if VMS_DEBUG
+ _bfd_vms_debug (4, "etir: %s(%d)\n",
+ _bfd_vms_etir_name (cmd), cmd);
+ _bfd_hexdump (8, ptr, cmd_length - 4, 0);
+#endif
+
switch (cmd)
{
/* Stack global
Index: git/bfd/ChangeLog
===================================================================
--- git.orig/bfd/ChangeLog 2017-09-21 16:08:57.927375697 +0530
+++ git/bfd/ChangeLog 2017-09-21 16:11:35.192613756 +0530
@@ -81,6 +81,11 @@
PR binutils/21581
(ieee_archive_p): Likewise.
+2017-06-15 Nick Clifton <nickc@redhat.com>
+
+ PR binutils/21579
+ * vms-alpha.c (_bfd_vms_slurp_etir): Extend check of cmd_length.
+
2017-06-14 Nick Clifton <nickc@redhat.com>
PR binutils/21589