diff options
Diffstat (limited to 'meta/recipes-extended/unzip/unzip/12-cve-2014-9636-test-compr-eb.patch')
| -rw-r--r-- | meta/recipes-extended/unzip/unzip/12-cve-2014-9636-test-compr-eb.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/meta/recipes-extended/unzip/unzip/12-cve-2014-9636-test-compr-eb.patch b/meta/recipes-extended/unzip/unzip/12-cve-2014-9636-test-compr-eb.patch deleted file mode 100644 index b64dd99244..0000000000 --- a/meta/recipes-extended/unzip/unzip/12-cve-2014-9636-test-compr-eb.patch +++ /dev/null @@ -1,45 +0,0 @@ -From: mancha <mancha1 AT zoho DOT com> -Date: Mon, 3 Nov 2014 -Subject: Info-ZIP UnZip buffer overflow -Bug-Debian: http://bugs.debian.org/776589 - -By carefully crafting a corrupt ZIP archive with "extra fields" that -purport to have compressed blocks larger than the corresponding -uncompressed blocks in STORED no-compression mode, an attacker can -trigger a heap overflow that can result in application crash or -possibly have other unspecified impact. - -This patch ensures that when extra fields use STORED mode, the -"compressed" and uncompressed block sizes match. - -The patch comes from unzip_6.0-8+deb7u2.debian.tar.gz - -Upstream-Status: Backport - -Signed-off-by: Roy Li <rongqing.li@windriver.com> - ---- a/extract.c -+++ b/extract.c -@@ -2229,6 +2229,7 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata) - uch *eb_ucptr; - int r; - ush method; -+ ush eb_compr_method; - - if (compr_offset < 4) /* field is not compressed: */ - return PK_OK; /* do nothing and signal OK */ -@@ -2244,6 +2245,14 @@ - ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN)))) - return IZ_EF_TRUNC; /* no/bad compressed data! */ - -+ /* 2014-11-03 Michal Zalewski, SMS. -+ * For STORE method, compressed and uncompressed sizes must agree. -+ * http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450 -+ */ -+ eb_compr_method = makeword( eb + (EB_HEADSIZE + compr_offset)); -+ if ((eb_compr_method == STORED) && (eb_size - compr_offset != eb_ucsize)) -+ return PK_ERR; -+ - if ( - #ifdef INT_16BIT - (((ulg)(extent)eb_ucsize) != eb_ucsize) || |