diff options
| author |   Zhixiong Chi <zhixiong.chi@windriver.com> | 2017-09-28 16:06:05 +0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2017-10-06 12:03:32 +0100 |
| commit | 0bedb69abff85cc07ad4a54eed41d15d0a38c080 (patch) | |
| tree | a95a68a5afd49f5993602b90e092cff1f86e0fdc /meta/recipes-extended/libarchive/libarchive | |
| parent | e1bbca2b6d2edbea0939cbeafe6e74c1d4c59a25 (diff) | |
| download | openembedded-core-contrib-0bedb69abff85cc07ad4a54eed41d15d0a38c080.tar.gz | |
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@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-extended/libarchive/libarchive')
| -rw-r--r-- | meta/recipes-extended/libarchive/libarchive/CVE-2017-14502.patch | 37 |
1 files changed, 37 insertions, 0 deletions
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 0000000000..72e1546435 --- /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@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 + |