summaryrefslogtreecommitdiffstats
path: root/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch')
-rw-r--r--meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch b/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch
new file mode 100644
index 0000000000..edc7d515b0
--- /dev/null
+++ b/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch
@@ -0,0 +1,33 @@
1From: sms
2Subject: Fix CVE-2014-8140: out-of-bounds write issue in test_compr_eb()
3Bug-Debian: http://bugs.debian.org/773722
4
5The patch comes from unzip_6.0-8+deb7u2.debian.tar.gz
6
7Upstream-Status: Backport
8
9Signed-off-by: Roy Li <rongqing.li@windriver.com>
10
11--- a/extract.c
12+++ b/extract.c
13@@ -2232,10 +2232,17 @@
14 if (compr_offset < 4) /* field is not compressed: */
15 return PK_OK; /* do nothing and signal OK */
16
17+ /* Return no/bad-data error status if any problem is found:
18+ * 1. eb_size is too small to hold the uncompressed size
19+ * (eb_ucsize). (Else extract eb_ucsize.)
20+ * 2. eb_ucsize is zero (invalid). 2014-12-04 SMS.
21+ * 3. eb_ucsize is positive, but eb_size is too small to hold
22+ * the compressed data header.
23+ */
24 if ((eb_size < (EB_UCSIZE_P + 4)) ||
25- ((eb_ucsize = makelong(eb+(EB_HEADSIZE+EB_UCSIZE_P))) > 0L &&
26- eb_size <= (compr_offset + EB_CMPRHEADLEN)))
27- return IZ_EF_TRUNC; /* no compressed data! */
28+ ((eb_ucsize = makelong( eb+ (EB_HEADSIZE+ EB_UCSIZE_P))) == 0L) ||
29+ ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN))))
30+ return IZ_EF_TRUNC; /* no/bad compressed data! */
31
32 if (
33 #ifdef INT_16BIT