diff options
Diffstat (limited to 'gnu/packages/patches/binutils-CVE-2017-14729.patch')
| -rw-r--r-- | gnu/packages/patches/binutils-CVE-2017-14729.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/gnu/packages/patches/binutils-CVE-2017-14729.patch b/gnu/packages/patches/binutils-CVE-2017-14729.patch deleted file mode 100644 index ccf3d3570e..0000000000 --- a/gnu/packages/patches/binutils-CVE-2017-14729.patch +++ /dev/null @@ -1,58 +0,0 @@ -https://blogs.gentoo.org/ago/2017/09/25/binutils-heap-based-buffer-overflow-in-_bfd_x86_elf_get_synthetic_symtab-elfxx-x86-c/ - -this patch is modified slightly to apply to our binutils - -From 56933f9e3e90eebf1018ed7417d6c1184b91db6b Mon Sep 17 00:00:00 2001 -From: "H.J. Lu" <hjl.tools@gmail.com> -Date: Fri, 22 Sep 2017 14:15:40 -0700 -Subject: [PATCH] x86: Guard against corrupted PLT - -There should be only one entry in PLT for a given symbol. Set howto to -NULL after processing a PLT entry to guard against corrupted PLT so that -the duplicated PLT entries are skipped. - - PR binutils/22170 - * elf32-i386.c (elf_i386_get_synthetic_symtab): Guard against - corrupted PLT. - * elf64-x86-64.c (elf_x86_64_get_synthetic_symtab): Likewise. - -(cherry picked from commit 61e3bf5f83f7e505b6bc51ef65426e5b31e6e360) ---- - bfd/ChangeLog | 7 +++++++ - bfd/elf32-i386.c | 4 ++++ - bfd/elf64-x86-64.c | 4 ++++ - 3 files changed, 15 insertions(+) - -diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c -index 9dc2d25..ba50c93 100644 ---- a/bfd/elf32-i386.c -+++ b/bfd/elf32-i386.c -@@ -6616,6 +6616,10 @@ bad_return: - size += sizeof ("+0x") - 1 + 8; - n++; - s++; -+ /* There should be only one entry in PLT for a given -+ symbol. Set howto to NULL after processing a PLT -+ entry to guard against corrupted PLT. */ -+ p->howto = NULL; - } - offset += plt_entry_size; - } -diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c -index 558db98..d9225ad 100644 ---- a/bfd/elf64-x86-64.c -+++ b/bfd/elf64-x86-64.c -@@ -6970,6 +6970,10 @@ bad_return: - size += sizeof ("+0x") - 1 + 8 + 8 * ABI_64_P (abfd); - n++; - s++; -+ /* There should be only one entry in PLT for a given -+ symbol. Set howto to NULL after processing a PLT -+ entry to guard against corrupted PLT. */ -+ p->howto = NULL; - } - offset += plt_entry_size; - } --- -2.9.3 - |