diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch new file mode 100644 index 0000000000..817a3f0176 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch @@ -0,0 +1,53 @@ +commit 4f3ca05b487e9755018b4c9a053a2e6c35d8a7df +Author: Nick Clifton <nickc@redhat.com> +Date: Tue Dec 6 16:53:57 2016 +0000 + + Fix seg-fault in strip when copying a corrupt binary. + + PR binutils/20931 + * elf.c (copy_special_section_fields): Check for an invalid + sh_link field before attempting to follow it. + +Upstream-Status: Backport + +CVE: CVE-2017-7304 +Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com> + +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog 2017-09-04 16:13:03.512095249 +0530 ++++ git/bfd/ChangeLog 2017-09-04 16:16:25.173745111 +0530 +@@ -114,6 +114,12 @@ + (bfd_elf_final_link): Only initialize the extended symbol index + section if there are extended symbol tables to list. + ++ 2016-12-06 Nick Clifton <nickc@redhat.com> ++ ++ PR binutils/20931 ++ * elf.c (copy_special_section_fields): Check for an invalid ++ sh_link field before attempting to follow it. ++ + 2016-12-05 Nick Clifton <nickc@redhat.com> + + PR binutils/20905 +Index: git/bfd/elf.c +=================================================================== +--- git.orig/bfd/elf.c 2017-09-04 16:13:03.512095249 +0530 ++++ git/bfd/elf.c 2017-09-04 16:15:38.257359045 +0530 +@@ -1324,6 +1324,16 @@ + in the input bfd. */ + if (iheader->sh_link != SHN_UNDEF) + { ++ /* See PR 20931 for a reproducer. */ ++ if (iheader->sh_link >= elf_numsections (ibfd)) ++ { ++ (* _bfd_error_handler) ++ /* xgettext:c-format */ ++ (_("%B: Invalid sh_link field (%d) in section number %d"), ++ ibfd, iheader->sh_link, secnum); ++ return FALSE; ++ } ++ + sh_link = find_link (obfd, iheaders[iheader->sh_link], iheader->sh_link); + if (sh_link != SHN_UNDEF) + { |