bfcdf88760
* gnu/packages/patches/catdoc-CVE-2017-11110.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/textutils.scm (catdoc)[source]: Use it. Signed-off-by: Marius Bakke <mbakke@fastmail.com>
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
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();
|