From 5d6e240db6b0448e77248f7f110449bce9d97667 Mon Sep 17 00:00:00 2001 From: Yuanjie Huang Date: Wed, 31 May 2017 01:37:58 -0700 Subject: binutils: fix CVE-2017-7209 in readelf CVE: CVE-2017-7209 [BZ 21135] -- https://sourceware.org/bugzilla/show_bug.cgi?id=21135 PR binutils/21135: Fix invalid read of section contents whilst processing a corrupt binary. (From OE-Core rev: fd7a91e2a6db1fb806c57c137f72efcffbf1f26b) Signed-off-by: Yuanjie Huang Signed-off-by: Armin Kuster Signed-off-by: Richard Purdie --- meta/recipes-devtools/binutils/binutils-2.27.inc | 1 + .../binutils/binutils/CVE-2017-7209.patch | 63 ++++++++++++++++++++++ 2 files changed, 64 insertions(+) create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2017-7209.patch (limited to 'meta') diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc index d32ce25dd5..5dca05e898 100644 --- a/meta/recipes-devtools/binutils/binutils-2.27.inc +++ b/meta/recipes-devtools/binutils/binutils-2.27.inc @@ -43,6 +43,7 @@ SRC_URI = "\ file://CVE-2017-6966.patch \ file://CVE-2017-6969.patch \ file://CVE-2017-6969_2.patch \ + file://CVE-2017-7209.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7209.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7209.patch new file mode 100644 index 0000000000..336d72cfe0 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7209.patch @@ -0,0 +1,63 @@ +From 6e5e9d96b5bd7dc3147db9917d6a7a20682915cc Mon Sep 17 00:00:00 2001 +From: Nick Clifton +Date: Mon, 13 Feb 2017 15:04:37 +0000 +Subject: Fix invalid read of section contents whilst processing a corrupt + binary. + + PR binutils/21135 + * readelf.c (dump_section_as_bytes): Handle the case where + uncompress_section_contents returns false. + +CVE: CVE-2017-7209 +Upstream-Status: Backport[master] + +Signed-off-by: Yuanjie Huang +--- + binutils/ChangeLog | 6 ++++++ + binutils/readelf.c | 16 ++++++++++++---- + 2 files changed, 18 insertions(+), 4 deletions(-) + +diff --git a/binutils/ChangeLog b/binutils/ChangeLog +index 55d2f8ba40..c4d8e60eca 100644 +--- a/binutils/ChangeLog ++++ b/binutils/ChangeLog +@@ -1,3 +1,9 @@ ++2017-02-13 Nick Clifton ++ ++ PR binutils/21135 ++ * readelf.c (dump_section_as_bytes): Handle the case where ++ uncompress_section_contents returns false. ++ + 2017-02-20 Nick Clifton + + PR binutils/21156 +diff --git a/binutils/readelf.c b/binutils/readelf.c +index 7f7365dbc5..bc4e92fa81 100644 +--- a/binutils/readelf.c ++++ b/binutils/readelf.c +@@ -12473,10 +12473,18 @@ dump_section_as_bytes (Elf_Internal_Shdr * section, + new_size -= 12; + } + +- if (uncompressed_size +- && uncompress_section_contents (& start, uncompressed_size, +- & new_size)) +- section_size = new_size; ++ if (uncompressed_size) ++ { ++ if (uncompress_section_contents (& start, uncompressed_size, ++ & new_size)) ++ section_size = new_size; ++ else ++ { ++ error (_("Unable to decompress section %s\n"), ++ printable_section_name (section)); ++ return; ++ } ++ } + } + + if (relocate) +-- +2.11.0 + -- cgit v1.2.3-54-g00ecf