svn commit: r336801 - head/contrib/libarchive/libarchive
Conrad Meyer
cem at FreeBSD.org
Sat Jul 28 01:00:00 UTC 2018
Author: cem
Date: Sat Jul 28 00:59:59 2018
New Revision: 336801
URL: https://svnweb.freebsd.org/changeset/base/336801
Log:
MFV r336800: libarchive: Cherry-pick upstream 2c8c83b9
Relevant vendor changes:
Fix issue #948: out-of-bounds read in lha_read_data_none()
admbugs: 877
MFC after: 3 days
Security: CVE-2017-14503
Modified:
head/contrib/libarchive/libarchive/archive_read_support_format_lha.c
Directory Properties:
head/contrib/libarchive/ (props changed)
Modified: head/contrib/libarchive/libarchive/archive_read_support_format_lha.c
==============================================================================
--- head/contrib/libarchive/libarchive/archive_read_support_format_lha.c Sat Jul 28 00:55:57 2018 (r336800)
+++ head/contrib/libarchive/libarchive/archive_read_support_format_lha.c Sat Jul 28 00:59:59 2018 (r336801)
@@ -701,6 +701,12 @@ archive_read_format_lha_read_header(struct archive_rea
* 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;
More information about the svn-src-head
mailing list