Update Buildroot 2019.02.8
This commit is contained in:
Pascal Vizeli
@@ -0,0 +1,68 @@
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From 06de62c022138f63de9bcd04074491945eaa8662 Mon Sep 17 00:00:00 2001
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From: Christos Zoulas <christos@zoulas.com>
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Date: Fri, 23 Aug 2019 14:29:14 +0000
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Subject: [PATCH] Detect multiplication overflow when computing sector position
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(found by oss-fuzz)
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Fixes CVE-2019-18218
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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src/cdf.c | 20 +++++++++++++++++---
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1 file changed, 17 insertions(+), 3 deletions(-)
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diff --git a/src/cdf.c b/src/cdf.c
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index 556a3ff8..9d639674 100644
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--- a/src/cdf.c
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+++ b/src/cdf.c
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@@ -35,7 +35,7 @@
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#include "file.h"
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#ifndef lint
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-FILE_RCSID("@(#)$File: cdf.c,v 1.114 2019/02/20 02:35:27 christos Exp $")
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+FILE_RCSID("@(#)$File: cdf.c,v 1.115 2019/08/23 14:29:14 christos Exp $")
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#endif
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#include <assert.h>
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@@ -53,6 +53,10 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.114 2019/02/20 02:35:27 christos Exp $")
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#define EFTYPE EINVAL
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#endif
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+#ifndef SIZE_T_MAX
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+#define SIZE_T_MAX CAST(size_t, ~0ULL)
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+#endif
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+
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#include "cdf.h"
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#ifdef CDF_DEBUG
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@@ -405,7 +409,12 @@ cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
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const cdf_header_t *h, cdf_secid_t id)
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{
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size_t ss = CDF_SEC_SIZE(h);
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- size_t pos = CDF_SEC_POS(h, id);
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+ size_t pos;
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+
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+ if (SIZE_T_MAX / ss < CAST(size_t, id))
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+ return -1;
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+
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+ pos = CDF_SEC_POS(h, id);
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assert(ss == len);
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return cdf_read(info, CAST(off_t, pos), RCAST(char *, buf) + offs, len);
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}
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@@ -415,7 +424,12 @@ cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
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size_t len, const cdf_header_t *h, cdf_secid_t id)
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{
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size_t ss = CDF_SHORT_SEC_SIZE(h);
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- size_t pos = CDF_SHORT_SEC_POS(h, id);
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+ size_t pos;
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+
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+ if (SIZE_T_MAX / ss < CAST(size_t, id))
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+ return -1;
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+
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+ pos = CDF_SHORT_SEC_POS(h, id);
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assert(ss == len);
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if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
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DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
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--
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2.20.1
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@@ -0,0 +1,62 @@
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From 46a8443f76cec4b41ec736eca396984c74664f84 Mon Sep 17 00:00:00 2001
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From: Christos Zoulas <christos@zoulas.com>
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Date: Mon, 26 Aug 2019 14:31:39 +0000
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Subject: [PATCH] Limit the number of elements in a vector (found by oss-fuzz)
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Fixes CVE-2019-18218
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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src/cdf.c | 9 ++++-----
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src/cdf.h | 1 +
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2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/cdf.c b/src/cdf.c
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index 9d639674..bb81d637 100644
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--- a/src/cdf.c
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+++ b/src/cdf.c
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@@ -35,7 +35,7 @@
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#include "file.h"
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#ifndef lint
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-FILE_RCSID("@(#)$File: cdf.c,v 1.115 2019/08/23 14:29:14 christos Exp $")
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+FILE_RCSID("@(#)$File: cdf.c,v 1.116 2019/08/26 14:31:39 christos Exp $")
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#endif
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#include <assert.h>
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@@ -1027,8 +1027,9 @@ cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
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goto out;
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}
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nelements = CDF_GETUINT32(q, 1);
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- if (nelements == 0) {
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- DPRINTF(("CDF_VECTOR with nelements == 0\n"));
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+ if (nelements > CDF_ELEMENT_LIMIT || nelements == 0) {
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+ DPRINTF(("CDF_VECTOR with nelements == %"
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+ SIZE_T_FORMAT "u\n", nelements));
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goto out;
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}
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slen = 2;
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@@ -1070,8 +1071,6 @@ cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
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goto out;
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inp += nelem;
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}
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- DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
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- nelements));
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for (j = 0; j < nelements && i < sh.sh_properties;
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j++, i++)
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{
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diff --git a/src/cdf.h b/src/cdf.h
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index 2f7e554b..05056668 100644
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--- a/src/cdf.h
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+++ b/src/cdf.h
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@@ -48,6 +48,7 @@
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typedef int32_t cdf_secid_t;
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#define CDF_LOOP_LIMIT 10000
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+#define CDF_ELEMENT_LIMIT 100000
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#define CDF_SECID_NULL 0
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#define CDF_SECID_FREE -1
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--
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2.20.1
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@@ -1,7 +1,7 @@
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# Locally calculated after verifying signature
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# ftp://ftp.astron.com/pub/file/file-5.36.tar.gz.asc
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# ftp://ftp.astron.com/pub/file/file-5.37.tar.gz.asc
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# using key BE04995BA8F90ED0C0C176C471112AB16CB33B3A
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sha256 fb608290c0fd2405a8f63e5717abf6d03e22e183fb21884413d1edd918184379 file-5.36.tar.gz
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sha256 e9c13967f7dd339a3c241b7710ba093560b9a33013491318e88e6b8b57bae07f file-5.37.tar.gz
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sha256 0bfa856a9930bddadbef95d1be1cf4e163c0be618e76ea3275caaf255283e274 COPYING
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sha256 4ccb60d623884ef637af4a5bc16b2cb350163e2135e967655837336019a64462 src/mygetopt.h
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sha256 7ac061e1a1c840c4dfa0573aec6f3497676c9295b5ec4190d3576646eb1646bf src/vasprintf.c
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@@ -4,7 +4,7 @@
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#
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################################################################################
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FILE_VERSION = 5.36
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FILE_VERSION = 5.37
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FILE_SITE = ftp://ftp.astron.com/pub/file
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FILE_DEPENDENCIES = host-file zlib
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HOST_FILE_DEPENDENCIES = host-zlib
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