diff options
| author |   Armin Kuster <akuster@mvista.com> | 2018-08-05 21:51:56 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-08-06 16:23:54 +0100 |
| commit | d128790b8593ee0cccd5e3c935ff28fb27644a8c (patch) | |
| tree | 57c9340ec9ca97af7c4f775ac63f8f4c646838d3 /meta/recipes-devtools | |
| parent | 140ecb4af80c44680278f98153353f2900e7fa98 (diff) | |
| download | openembedded-core-contrib-d128790b8593ee0cccd5e3c935ff28fb27644a8c.tar.gz | |
binutils: Security fix CVE-2018-8945
Affects <= 2.30
Signed-off-by: Armin Kuster <akuster@mvista.com>
Diffstat (limited to 'meta/recipes-devtools')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils-2.30.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2018-8945.patch | 70 |
2 files changed, 71 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.30.inc b/meta/recipes-devtools/binutils/binutils-2.30.inc index 9c883acc52..349fa5a36a 100644 --- a/meta/recipes-devtools/binutils/binutils-2.30.inc +++ b/meta/recipes-devtools/binutils/binutils-2.30.inc @@ -35,6 +35,7 @@ SRC_URI = "\ file://0013-fix-the-incorrect-assembling-for-ppc-wait-mnemonic.patch \ file://0014-Detect-64-bit-MIPS-targets.patch \ file://0015-sync-with-OE-libtool-changes.patch \ + file://CVE-2018-8945.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-8945.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-8945.patch new file mode 100644 index 0000000000..6a43168b85 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-8945.patch @@ -0,0 +1,70 @@ +From 95a6d23566165208853a68d9cd3c6eedca840ec6 Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Tue, 8 May 2018 12:51:06 +0100 +Subject: [PATCH] Prevent a memory exhaustion failure when running objdump on a + fuzzed input file with corrupt string and attribute sections. + + PR 22809 + * elf.c (bfd_elf_get_str_section): Check for an excessively large + string section. + * elf-attrs.c (_bfd_elf_parse_attributes): Issue an error if the + attribute section is larger than the size of the file. + +Upsteram-Status: Backport +Affects: Binutils <= 2.30 +CVE: CVE-2018-8945 +Signed-off-by: Armin kuster <akuster@mvista.com> +--- + bfd/ChangeLog | 8 ++++++++ + bfd/elf-attrs.c | 9 +++++++++ + bfd/elf.c | 1 + + 3 files changed, 18 insertions(+) + +Index: git/bfd/elf-attrs.c +=================================================================== +--- git.orig/bfd/elf-attrs.c ++++ git/bfd/elf-attrs.c +@@ -438,6 +438,15 @@ _bfd_elf_parse_attributes (bfd *abfd, El + /* PR 17512: file: 2844a11d. */ + if (hdr->sh_size == 0) + return; ++ if (hdr->sh_size > bfd_get_file_size (abfd)) ++ { ++ /* xgettext:c-format */ ++ _bfd_error_handler (_("%pB: error: attribute section '%pA' too big: %#llx"), ++ abfd, hdr->bfd_section, (long long) hdr->sh_size); ++ bfd_set_error (bfd_error_invalid_operation); ++ return; ++ } ++ + contents = (bfd_byte *) bfd_malloc (hdr->sh_size + 1); + if (!contents) + return; +Index: git/bfd/elf.c +=================================================================== +--- git.orig/bfd/elf.c ++++ git/bfd/elf.c +@@ -298,6 +298,7 @@ bfd_elf_get_str_section (bfd *abfd, unsi + /* Allocate and clear an extra byte at the end, to prevent crashes + in case the string table is not terminated. */ + if (shstrtabsize + 1 <= 1 ++ || shstrtabsize > bfd_get_file_size (abfd) + || bfd_seek (abfd, offset, SEEK_SET) != 0 + || (shstrtab = (bfd_byte *) bfd_alloc (abfd, shstrtabsize + 1)) == NULL) + shstrtab = NULL; +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog ++++ git/bfd/ChangeLog +@@ -1,3 +1,11 @@ ++2018-05-08 Nick Clifton <nickc@redhat.com> ++ ++ PR 22809 ++ * elf.c (bfd_elf_get_str_section): Check for an excessively large ++ string section. ++ * elf-attrs.c (_bfd_elf_parse_attributes): Issue an error if the ++ attribute section is larger than the size of the file. ++ + 2018-02-07 Alan Modra <amodra@gmail.com> + + Revert 2018-01-17 Alan Modra <amodra@gmail.com> |