mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-05-08 05:09:24 +00:00
Code Issues Projects Releases Wiki Activity

libarchive: CVE-2017-14502

Browse Source 
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

(From OE-Core rev: 0bedb69abff85cc07ad4a54eed41d15d0a38c080)

Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Zhixiong Chi
2017-09-28 16:06:05 +08:00
committed by Richard Purdie
parent 31fb57d72d
commit cbf796a826
2 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-extended/libarchive/libarchive/CVE-2017-14502.patch
+37
View File
@@ -0,0 +1,37 @@
From 5562545b5562f6d12a4ef991fae158bf4ccf92b6 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@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@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
meta/recipes-extended/libarchive/libarchive_3.3.2.bb
+1
View File
@@ -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"