760fbe789c
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>
33 lines
1 KiB
Diff
33 lines
1 KiB
Diff
From 2c8c83b9731ff822fad6cc8c670ea5519c366a14 Mon Sep 17 00:00:00 2001
|
|
From: Joerg Sonnenberger <joerg@bec.de>
|
|
Date: Thu, 19 Jul 2018 21:14:53 +0200
|
|
Subject: [PATCH] Reject LHA archive entries with negative size.
|
|
|
|
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
|
|
---
|
|
Upstream status: commit 2c8c83b9731
|
|
|
|
libarchive/archive_read_support_format_lha.c | 6 ++++++
|
|
1 file changed, 6 insertions(+)
|
|
|
|
diff --git a/libarchive/archive_read_support_format_lha.c b/libarchive/archive_read_support_format_lha.c
|
|
index b8ef4ae10ece..95c99bb1f31e 100644
|
|
--- a/libarchive/archive_read_support_format_lha.c
|
|
+++ b/libarchive/archive_read_support_format_lha.c
|
|
@@ -701,6 +701,12 @@ archive_read_format_lha_read_header(struct archive_read *a,
|
|
* Prepare variables used to read a file content.
|
|
*/
|
|
lha->entry_bytes_remaining = lha->compsize;
|
|
+ if (lha->entry_bytes_remaining < 0) {
|
|
+ archive_set_error(&a->archive,
|
|
+ ARCHIVE_ERRNO_FILE_FORMAT,
|
|
+ "Invalid LHa entry size");
|
|
+ return (ARCHIVE_FATAL);
|
|
+ }
|
|
lha->entry_offset = 0;
|
|
lha->entry_crc_calculated = 0;
|
|
|
|
--
|
|
2.18.0
|
|
|