[oe-commits] [openembedded-core] 13/28: libarchive: CVE-2017-14502
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Fri Oct 6 11:05:53 UTC 2017
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commit 0bedb69abff85cc07ad4a54eed41d15d0a38c080
Author: Zhixiong Chi <zhixiong.chi at windriver.com>
AuthorDate: Thu Sep 28 16:06:05 2017 +0800
libarchive: CVE-2017-14502
read_header in archive_read_support_format_rar.c suffers from an
off-by-one error for UTF-16 names in RAR archives, leading to an
out-of-bounds read in archive_read_format_rar_read_header.
Backport the patch from
https://github.com/libarchive/libarchive/commit
commit 5562545b5562f6d12a4ef991fae158bf4ccf92b6
CVE: CVE-2017-14502
Signed-off-by: Zhixiong Chi <zhixiong.chi at windriver.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>
---
.../libarchive/libarchive/CVE-2017-14502.patch | 37 ++++++++++++++++++++++
.../libarchive/libarchive_3.3.2.bb | 1 +
2 files changed, 38 insertions(+)
diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2017-14502.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2017-14502.patch
new file mode 100644
index 0000000..72e1546
--- /dev/null
+++ b/meta/recipes-extended/libarchive/libarchive/CVE-2017-14502.patch
@@ -0,0 +1,37 @@
+From 5562545b5562f6d12a4ef991fae158bf4ccf92b6 Mon Sep 17 00:00:00 2001
+From: Joerg Sonnenberger <joerg at bec.de>
+Date: Sat, 9 Sep 2017 17:47:32 +0200
+Subject: [PATCH] Avoid a read off-by-one error for UTF16 names in RAR
+ archives.
+
+Reported-By: OSS-Fuzz issue 573
+
+CVE: CVE-2017-14502
+
+Upstream-Status: Backport
+
+Signed-off-by: Zhixiong Chi <zhixiong.chi at windriver.com>
+---
+ libarchive/archive_read_support_format_rar.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
+index cbb14c3..751de69 100644
+--- a/libarchive/archive_read_support_format_rar.c
++++ b/libarchive/archive_read_support_format_rar.c
+@@ -1496,7 +1496,11 @@ read_header(struct archive_read *a, struct archive_entry *entry,
+ return (ARCHIVE_FATAL);
+ }
+ filename[filename_size++] = '\0';
+- filename[filename_size++] = '\0';
++ /*
++ * Do not increment filename_size here as the computations below
++ * add the space for the terminating NUL explicitly.
++ */
++ filename[filename_size] = '\0';
+
+ /* Decoded unicode form is UTF-16BE, so we have to update a string
+ * conversion object for it. */
+--
+1.9.1
+
diff --git a/meta/recipes-extended/libarchive/libarchive_3.3.2.bb b/meta/recipes-extended/libarchive/libarchive_3.3.2.bb
index 9e4588f..edc4d6a 100644
--- a/meta/recipes-extended/libarchive/libarchive_3.3.2.bb
+++ b/meta/recipes-extended/libarchive/libarchive_3.3.2.bb
@@ -34,6 +34,7 @@ EXTRA_OECONF += "--enable-largefile"
SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz \
file://bug929.patch \
file://CVE-2017-14166.patch \
+ file://CVE-2017-14502.patch \
"
SRC_URI[md5sum] = "4583bd6b2ebf7e0e8963d90879eb1b27"
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