From 74a96529112e2a6793d41fc1981285772a388201 Mon Sep 17 00:00:00 2001
From: Max Rees <maxcrees@me.com>
Date: Thu, 1 Aug 2019 03:41:43 -0500
Subject: user/catdoc: patch for CVE-2017-11110 (#160)

---
 user/catdoc/CVE-2017-11110.patch | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 user/catdoc/CVE-2017-11110.patch

(limited to 'user/catdoc/CVE-2017-11110.patch')

diff --git a/user/catdoc/CVE-2017-11110.patch b/user/catdoc/CVE-2017-11110.patch
new file mode 100644
index 000000000..d36d5d63c
--- /dev/null
+++ b/user/catdoc/CVE-2017-11110.patch
@@ -0,0 +1,32 @@
+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();
-- 
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