tiff: fix multiple CVE's

This commit fixes multiple CVE's for library tiff:
CVE-2012-4564
CVE-2013-1960
CVE-2013-1961
CVE-2013-4231
CVE-2013-4232
CVE-2013-4244
CVE-2013-4243

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
This commit is contained in:
Jiri Slachta
2014-08-04 12:08:07 +02:00
committed by Steven Barth
parent 317c39a7ba
commit 20ee7a564c
8 changed files with 1036 additions and 1 deletions
+17
View File
@@ -0,0 +1,17 @@
Description: Buffer overflow in gif2tiff
Bug: http://bugzilla.maptools.org/show_bug.cgi?id=2450
Bug-Debian: http://bugs.debian.org/719303
Index: tiff-4.0.3/tools/gif2tiff.c
===================================================================
--- tiff-4.0.3.orig/tools/gif2tiff.c 2013-08-22 11:46:11.960846910 -0400
+++ tiff-4.0.3/tools/gif2tiff.c 2013-08-22 11:46:11.956846910 -0400
@@ -333,6 +333,8 @@
int status = 1;
datasize = getc(infile);
+ if (datasize > 12)
+ return 0;
clear = 1 << datasize;
eoi = clear + 1;
avail = clear + 2;