diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-9.5/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-9.5/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-9.5/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch b/meta/recipes-devtools/gcc/gcc-9.5/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch new file mode 100644 index 0000000000..f268a4eb58 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-9.5/0037-CVE-2019-14250-Check-zero-value-in-simple_object_elf.patch @@ -0,0 +1,48 @@ +From ac4af583bd59f6631671ad4abf985799ce4a53d9 Mon Sep 17 00:00:00 2001 +From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Thu, 25 Jul 2019 10:46:54 +0000 +Subject: [PATCH 37/39] CVE-2019-14250: Check zero value in + simple_object_elf_match + +2019-07-25 Richard Biener <rguenther@suse.de> + + PR lto/90924 + Backport from mainline + 2019-07-12 Ren Kimura <rkx1209dev@gmail.com> + + * simple-object-elf.c (simple_object_elf_match): Check zero value + shstrndx. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@273793 138bc75d-0d04-0410-961f-82ee72b054a4 + +Upstream-Status: Backport +Affectes: < 9.2 +CVE: CVE-2019-14250 +Dropped changelog +Signed-off-by: Armin Kuster <Akustre@mvista.com> +--- + libiberty/simple-object-elf.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c +index 3d49f339631..c00cebdb6c7 100644 +--- a/libiberty/simple-object-elf.c ++++ b/libiberty/simple-object-elf.c +@@ -557,6 +557,14 @@ simple_object_elf_match (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN], + return NULL; + } + ++ if (eor->shstrndx == 0) ++ { ++ *errmsg = "invalid ELF shstrndx == 0"; ++ *err = 0; ++ XDELETE (eor); ++ return NULL; ++ } ++ + return (void *) eor; + } + +-- +2.25.1 + |