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| author |   Armin Kuster <akuster808@gmail.com> | 2017-11-26 13:34:52 -0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2017-12-11 22:01:54 +0000 |
| commit | 9e96e8d16590601e716ddb36194fd9642a5d1643 (patch) | |
| tree | 3e3f50ce6f6bb574cb6ed681f4a3384f61fad858 /meta/recipes-devtools | |
| parent | 1d467814bfc36755a7a795aa3d1c4d2d2e083171 (diff) | |
| download | openembedded-core-9e96e8d16590601e716ddb36194fd9642a5d1643.tar.gz | |
binutils: Security fix for CVE-2017-9040 and CVE-2017-9042
Affects: <= 2.28
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Diffstat (limited to 'meta/recipes-devtools')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils-2.28.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-9040_9042.patch | 57 |
2 files changed, 58 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.28.inc b/meta/recipes-devtools/binutils/binutils-2.28.inc index b8199a42ff..c376433564 100644 --- a/meta/recipes-devtools/binutils/binutils-2.28.inc +++ b/meta/recipes-devtools/binutils/binutils-2.28.inc @@ -53,6 +53,7 @@ SRC_URI = "\ file://CVE-2017-8421.patch \ file://CVE-2017-9038_9044.patch \ file://CVE-2017-9039.patch \ + file://CVE-2017-9040_9042.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-9040_9042.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-9040_9042.patch new file mode 100644 index 0000000000..79c6a7d8ab --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-9040_9042.patch @@ -0,0 +1,57 @@ +From 7296a62a2a237f6b1ad8db8c38b090e9f592c8cf Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Thu, 13 Apr 2017 16:06:30 +0100 +Subject: [PATCH] readelf: fix out of range subtraction, seg fault from a NULL + pointer and memory exhaustion, all from parsing corrupt binaries. + + PR binutils/21379 + * readelf.c (process_dynamic_section): Detect over large section + offsets in the DT_SYMTAB entry. + + PR binutils/21345 + * readelf.c (process_mips_specific): Catch an unfeasible memory + allocation before it happens and print a suitable error message. + +Upstream-Status: Backport +CVE: CVE-2017-9040 +CVE: CVE-2017-9042 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + binutils/ChangeLog | 12 ++++++++++++ + binutils/readelf.c | 26 +++++++++++++++++++++----- + 2 files changed, 33 insertions(+), 5 deletions(-) + +Index: git/binutils/readelf.c +=================================================================== +--- git.orig/binutils/readelf.c ++++ git/binutils/readelf.c +@@ -9306,6 +9306,12 @@ process_dynamic_section (FILE * file) + processing that. This is overkill, I know, but it + should work. */ + section.sh_offset = offset_from_vma (file, entry->d_un.d_val, 0); ++ if ((bfd_size_type) section.sh_offset > current_file_size) ++ { ++ /* See PR 21379 for a reproducer. */ ++ error (_("Invalid DT_SYMTAB entry: %lx"), (long) section.sh_offset); ++ return FALSE; ++ } + + if (archive_file_offset != 0) + section.sh_size = archive_file_size - section.sh_offset; +@@ -15175,6 +15181,15 @@ process_mips_specific (FILE * file) + return 0; + } + ++ /* PR 21345 - print a slightly more helpful error message ++ if we are sure that the cmalloc will fail. */ ++ if (conflictsno * sizeof (* iconf) > current_file_size) ++ { ++ error (_("Overlarge number of conflicts detected: %lx\n"), ++ (long) conflictsno); ++ return FALSE; ++ } ++ + iconf = (Elf32_Conflict *) cmalloc (conflictsno, sizeof (* iconf)); + if (iconf == NULL) + { |