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(From OE-Core rev: abdc51527988afdcfd2db6dc08ebb6083a341be9) Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
From df78be05daf4eb07f60f50ec1080cb979af32ec0 Mon Sep 17 00:00:00 2001
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From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Tue, 23 Jul 2019 07:33:32 +0000
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Subject: [PATCH] libiberty: Check zero value shstrndx in simple-object-elf.c
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@273718 138bc75d-0d04-0410-961f-82ee72b054a4
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CVE: CVE-2019-14250
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Upstream-Status: Backport [from gcc: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=273718]
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[Removed Changelog entry]
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Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
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---
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diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c
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index 502388991a08..bdee963634d6 100644
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--- a/libiberty/simple-object-elf.c
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+++ b/libiberty/simple-object-elf.c
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@@ -548,7 +548,15 @@ simple_object_elf_match (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN],
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XDELETE (eor);
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return NULL;
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}
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-
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+
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+ if (eor->shstrndx == 0)
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+ {
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+ *errmsg = "invalid ELF shstrndx == 0";
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+ *err = 0;
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+ XDELETE (eor);
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+ return NULL;
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+ }
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+
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return (void *) eor;
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}
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