![Baruch Siach](/assets/img/avatar_default.png)
Add patches for the following security issues: CVE-2017-14501 - An out-of-bounds read flaw exists in parse_file_info in archive_read_support_format_iso9660.c when extracting a specially crafted iso9660 iso file. CVE-2017-14502 - 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. CVE-2017-14503 - Out-of-bounds read within lha_read_data_none() in archive_read_support_format_lha.c when extracting a specially crafted lha archive. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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
|
|
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
|
|
---
|
|
Upstream status: commit 5562545b5562
|
|
|
|
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 cbb14c32dc3b..751de6979ba5 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. */
|
|
--
|
|
2.18.0
|
|
|