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authorLeo Famulari <leo@famulari.name>2016-11-15 14:16:37 -0500
committerLeo Famulari <leo@famulari.name>2016-11-16 19:59:24 -0500
commit7cea56e2ac3b0a5030cbd10783865b6985c01b22 (patch)
treeb6081d6a702b071880caffa94af56eab4f81e15f /gnu/packages/patches
parent67e5f3b71d87d0a0e444df2e039c458629708cd4 (diff)
downloadguix-7cea56e2ac3b0a5030cbd10783865b6985c01b22.tar.gz
gnu: libtiff: Fix CVE-2016-9297.
* gnu/packages/patches/libtiff-CVE-2016-9297.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/image.scm (libtiff/fixed)[source]: Use it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/libtiff-CVE-2016-9297.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-9297.patch b/gnu/packages/patches/libtiff-CVE-2016-9297.patch
new file mode 100644
index 0000000000..c9207bbd25
--- /dev/null
+++ b/gnu/packages/patches/libtiff-CVE-2016-9297.patch
@@ -0,0 +1,52 @@
+Fix CVE-2016-9297:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9297
+http://bugzilla.maptools.org/show_bug.cgi?id=2590
+
+Patch copied from upstream source repository.
+
+2016-11-11 Even Rouault <even.rouault at spatialys.com>
+
+        * libtiff/tif_dirread.c: in TIFFFetchNormalTag(), make sure that
+        values of tags with TIFF_SETGET_C16_ASCII / TIFF_SETGET_C32_ASCII
+        access are null terminated, to avoid potential read outside buffer
+        in _TIFFPrintField().
+        Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2590
+
+
+/cvs/maptools/cvsroot/libtiff/ChangeLog,v  <--  ChangeLog
+new revision: 1.1154; previous revision: 1.1153
+/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v  <-- 
+libtiff/tif_dirread.c
+new revision: 1.203; previous revision: 1.202Index: libtiff/libtiff/tif_dirread.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
+retrieving revision 1.202
+retrieving revision 1.203
+diff -u -r1.202 -r1.203
+--- libtiff/libtiff/tif_dirread.c	11 Nov 2016 20:01:55 -0000	1.202
++++ libtiff/libtiff/tif_dirread.c	11 Nov 2016 20:22:01 -0000	1.203
+@@ -5000,6 +5000,11 @@
+ 					if (err==TIFFReadDirEntryErrOk)
+ 					{
+ 						int m;
++                        if( data[dp->tdir_count-1] != '\0' )
++                        {
++                            TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
++                            data[dp->tdir_count-1] = '\0';
++                        }
+ 						m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ 						if (data!=0)
+ 							_TIFFfree(data);
+@@ -5172,6 +5177,11 @@
+ 				if (err==TIFFReadDirEntryErrOk)
+ 				{
+ 					int m;
++                    if( data[dp->tdir_count-1] != '\0' )
++                    {
++                        TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
++                        data[dp->tdir_count-1] = '\0';
++                    }
+ 					m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ 					if (data!=0)
+ 						_TIFFfree(data);