diff options
Diffstat (limited to 'external/poky/meta/recipes-devtools/binutils/binutils/CVE-2019-12972.patch')
-rw-r--r-- | external/poky/meta/recipes-devtools/binutils/binutils/CVE-2019-12972.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/external/poky/meta/recipes-devtools/binutils/binutils/CVE-2019-12972.patch b/external/poky/meta/recipes-devtools/binutils/binutils/CVE-2019-12972.patch new file mode 100644 index 00000000..3e95b922 --- /dev/null +++ b/external/poky/meta/recipes-devtools/binutils/binutils/CVE-2019-12972.patch @@ -0,0 +1,39 @@ +From 890f750a3b053532a4b839a2dd6243076de12031 Mon Sep 17 00:00:00 2001 +From: Alan Modra <amodra@gmail.com> +Date: Fri, 21 Jun 2019 11:51:38 +0930 +Subject: [PATCH] PR24689, string table corruption + +The testcase in the PR had a e_shstrndx section of type SHT_GROUP. +hdr->contents were initialized by setup_group rather than being read +from the file, thus last byte was not zero and string dereference ran +off the end of the buffer. + + PR 24689 + * elfcode.h (elf_object_p): Check type of e_shstrndx section. + +Upstream-Status: Backport +https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=890f750a3b053532a4b839a2dd6243076de12031 + +CVE: CVE-2019-12972 +Affects: <= 2.23.0 +Dropped Changelog +Signed-off-by Armin Kuster <akuster@mvista.com> +--- + bfd/ChangeLog | 5 +++++ + bfd/elfcode.h | 3 ++- + 2 files changed, 7 insertions(+), 1 deletion(-) + +Index: git/bfd/elfcode.h +=================================================================== +--- git.orig/bfd/elfcode.h ++++ git/bfd/elfcode.h +@@ -747,7 +747,8 @@ elf_object_p (bfd *abfd) + /* A further sanity check. */ + if (i_ehdrp->e_shnum != 0) + { +- if (i_ehdrp->e_shstrndx >= elf_numsections (abfd)) ++ if (i_ehdrp->e_shstrndx >= elf_numsections (abfd) ++ || i_shdrp[i_ehdrp->e_shstrndx].sh_type != SHT_STRTAB) + { + /* PR 2257: + We used to just goto got_wrong_format_error here |