Fix CVE-2017-11110:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11110
https://bugzilla.redhat.com/show_bug.cgi?id=1468471
https://security-tracker.debian.org/tracker/CVE-2017-11110

Patch copied from openSUSE:

https://build.opensuse.org/package/view_file/openSUSE:Maintenance:6985/catdoc.openSUSE_Leap_42.2_Update/CVE-2017-11110.patch?expand=1

From: Andreas Stieger <astieger@suse.com>
Date: Mon, 10 Jul 2017 15:37:58 +0000
References: CVE-2017-11110 http://bugzilla.suse.com/show_bug.cgi?id=1047877

All .doc I found had sectorSize 0x09 at offset 0x1e. Guarding it against <4.

---
 src/ole.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: catdoc-0.95/src/ole.c
===================================================================
--- catdoc-0.95.orig/src/ole.c	2016-05-25 06:37:12.000000000 +0200
+++ catdoc-0.95/src/ole.c	2017-07-10 17:42:33.578308107 +0200
@@ -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();
de645a55a799489221c682fddd8c81498'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/ratpoison.scm'>
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<div class='path'>path: <a href='/guix/log/?id=85a70cbde645a55a799489221c682fddd8c81498&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=85a70cbde645a55a799489221c682fddd8c81498&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=85a70cbde645a55a799489221c682fddd8c81498&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/ratpoison.scm?id=85a70cbde645a55a799489221c682fddd8c81498&amp;showmsg=1'>ratpoison.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/ratpoison.scm?id=85a70cbde645a55a799489221c682fddd8c81498'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2022-11-17 13:53:08 -0500'>2022-11-17</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/ratpoison.scm?id=983906ab72307a5b848a54233b30d9744356de07'>gnu: ratpoison: Fix reference to xterm.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
The xterm binary must be provided to --with-xterm, not its installation
prefix.

* gnu/packages/ratpoison.scm (ratpoison) [configure-flags]: Adjust
--with-xterm flag value.


</td></tr>
<tr class='logheader'><td><span title='2022-10-11 11:29:02 +0000'>2022-10-11</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/ratpoison.scm?id=6b650fde4104113881f01ba809a33eaeb915b905'>gnu: ratpoison: Reference xterm absolutely.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/ratpoison.scm (ratpoison) [configure-flags]: Specify the
'--with-xterm' configure flag.
[inputs]: Add xterm.


</td></tr>
<tr class='logheader'><td><span title='2022-10-11 11:29:02 +0000'>2022-10-11</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/ratpoison.scm?id=a664f453d5188834102a4bdb470835de062a11d0'>gnu: ratpoison: Use gexps and remove input labels.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/ratpoison.scm (ratpoison) [phases]: Use gexps.
[inputs, native-inputs]: Remove input labels.


</td></tr>