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| author |   Armin Kuster <akuster@mvista.com> | 2018-08-05 22:02:12 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-08-06 16:23:55 +0100 |
| commit | 9dee4cec26322604e71ca5db4b17b1088a98971b (patch) | |
| tree | 46553c416e848260f9f803f49d0dc8cd2a737547 /meta/recipes-devtools | |
| parent | f79f5162088ceb29cf4820d2c3ef2aff263d7967 (diff) | |
| download | openembedded-core-contrib-9dee4cec26322604e71ca5db4b17b1088a98971b.tar.gz | |
binutls: Security fix CVE-2018-7568
Affects <= 2.30
Signed-off-by: Armin Kuster <akuster@mvista.com>
Diffstat (limited to 'meta/recipes-devtools')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils-2.30.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2018-7568.patch | 85 |
2 files changed, 86 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.30.inc b/meta/recipes-devtools/binutils/binutils-2.30.inc index 32eb44e08b..89957154c1 100644 --- a/meta/recipes-devtools/binutils/binutils-2.30.inc +++ b/meta/recipes-devtools/binutils/binutils-2.30.inc @@ -42,6 +42,7 @@ SRC_URI = "\ file://CVE-2018-7642.patch \ file://CVE-2018-7208.patch \ file://CVE-2018-7569.patch \ + file://CVE-2018-7568.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-7568.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-7568.patch new file mode 100644 index 0000000000..815b32c30a --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-7568.patch @@ -0,0 +1,85 @@ +From eef104664efb52965d85a28bc3fc7c77e52e48e2 Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Wed, 28 Feb 2018 10:13:54 +0000 +Subject: [PATCH] Fix potential integer overflow when reading corrupt dwarf1 + debug information. + + PR 22894 + * dwarf1.c (parse_die): Check the length of form blocks before + advancing the data pointer. + +Upstream-Status: Backport +Affects: Binutils <= 2.30 +CVE: CVE-2018-7568 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + bfd/ChangeLog | 6 ++++++ + bfd/dwarf1.c | 17 +++++++++++++++-- + 2 files changed, 21 insertions(+), 2 deletions(-) + +Index: git/bfd/dwarf1.c +=================================================================== +--- git.orig/bfd/dwarf1.c ++++ git/bfd/dwarf1.c +@@ -213,6 +213,7 @@ parse_die (bfd * abfd, + /* Then the attributes. */ + while (xptr + 2 <= aDiePtrEnd) + { ++ unsigned int block_len; + unsigned short attr; + + /* Parse the attribute based on its form. This section +@@ -255,12 +256,24 @@ parse_die (bfd * abfd, + break; + case FORM_BLOCK2: + if (xptr + 2 <= aDiePtrEnd) +- xptr += bfd_get_16 (abfd, xptr); ++ { ++ block_len = bfd_get_16 (abfd, xptr); ++ if (xptr + block_len > aDiePtrEnd ++ || xptr + block_len < xptr) ++ return FALSE; ++ xptr += block_len; ++ } + xptr += 2; + break; + case FORM_BLOCK4: + if (xptr + 4 <= aDiePtrEnd) +- xptr += bfd_get_32 (abfd, xptr); ++ { ++ block_len = bfd_get_32 (abfd, xptr); ++ if (xptr + block_len > aDiePtrEnd ++ || xptr + block_len < xptr) ++ return FALSE; ++ xptr += block_len; ++ } + xptr += 4; + break; + case FORM_STRING: +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog ++++ git/bfd/ChangeLog +@@ -4,7 +4,11 @@ + * coffgen.c (coff_pointerize_aux): Ensure auxent tagndx is in + range before converting to a symbol table pointer. + +-2018-02-28 Alan Modra <amodra@gmail.com> ++2018-02-28 Nick Clifton <nickc@redhat.com> ++ ++ PR 22894 ++ * dwarf1.c (parse_die): Check the length of form blocks before ++ advancing the data pointer. + + PR 22895 + PR 22893 +@@ -14,6 +18,8 @@ + size is invalid. + (read_attribute_value): Adjust invocations of read_n_bytes. + ++2018-02-28 Alan Modra <amodra@gmail.com> ++ + PR 22887 + * aoutx.h (swap_std_reloc_in): Correct r_index bound check. + |