user/catdoc: patch for CVE-2017-11110 (#160)

user/catdoc/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=catdoc
 pkgver=0.95
-pkgrel=1
+pkgrel=2
 pkgdesc="Read information and data from Microsoft Office documents"
 url="http://www.wagner.pp.ru/~vitus/software/catdoc/"
 arch="all"
@@ -11,7 +11,12 @@ license="GPL-2.0-only"
 depends=""
 makedepends=""
 subpackages="$pkgname-doc"
-source="http://ftp.wagner.pp.ru/pub/catdoc/catdoc-$pkgver.tar.gz"
+source="http://ftp.wagner.pp.ru/pub/catdoc/catdoc-$pkgver.tar.gz
+	CVE-2017-11110.patch"
+
+# secfixes:
+#   0.95-r2:
+#     - CVE-2017-11110
 
 build() {
 	cd "$builddir"
@@ -31,4 +36,5 @@ package() {
 	make -j1 install
 }
 
-sha512sums="dd6bded4b6b70749c007256b182b063ff266f86d53024d8582001678821e8096c5b980bc8f43015d9c82bbe022d71d4ba5fe68aff31b2ff6db3688595e651b2c  catdoc-0.95.tar.gz"
+sha512sums="dd6bded4b6b70749c007256b182b063ff266f86d53024d8582001678821e8096c5b980bc8f43015d9c82bbe022d71d4ba5fe68aff31b2ff6db3688595e651b2c  catdoc-0.95.tar.gz
+15d1da9fe095c6e4a990faa22ee67952d91494057a1fd6334f2eb671898156c95245b54f229549a5662d13dec6ecc4e607583e865fb9775fea8d163755cf04b0  CVE-2017-11110.patch"

user/catdoc/CVE-2017-11110.patch

+Description: CVE-2017-11110: Heap buffer overflow in ole_init 
+Origin: vendor, https://build.opensuse.org/package/view_file/openSUSE:Maintenance:6985/catdoc.openSUSE_Leap_42.2_Update/CVE-2017-11110.patch?rev=d437c3be72c2e5a3516b75f4e9de6b35
+Bug-Debian: https://bugs.debian.org/867717
+Bug-SuSE: https://bugzilla.novell.com/show_bug.cgi?id=1047877
+Forwarded: no
+Author: Andreas Stieger <astieger@suse.com>
+Reviewed-by: Salvatore Bonaccorso <carnil@debian.org>
+Last-Update: 2017-07-20
+
+--- a/src/ole.c
++++ b/src/ole.c
+@@ -106,6 +106,11 @@ FILE* ole_init(FILE *f, void *buffer, si
+ 		return NULL;
+ 	}
+  	sectorSize = 1<<getshort(oleBuf,0x1e);
++	/* CVE-2017-11110 */
++	if (sectorSize < 4) {
++		fprintf(stderr, "sectorSize < 4 not supported\n");
++		return NULL;
++	}
+ 	shortSectorSize=1<<getshort(oleBuf,0x20);
+ 
+ /* Read BBD into memory */
+@@ -147,7 +152,7 @@ FILE* ole_init(FILE *f, void *buffer, si
+ 		}
+ 
+ 		fseek(newfile, 512+mblock*sectorSize, SEEK_SET);
+-		if(fread(tmpBuf+MSAT_ORIG_SIZE+(sectorSize-4)*i,
++		if(fread(tmpBuf+MSAT_ORIG_SIZE+(sectorSize-4)*i, /* >=4 for CVE-2017-11110 */
+ 						 1, sectorSize, newfile) != sectorSize) {
+ 			fprintf(stderr, "Error read MSAT!\n");
+ 			ole_finish();