44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
|
From 2ea32f7372b65c24b2816f11c04bf59b5090d05b Mon Sep 17 00:00:00 2001
|
||
|
|
From: erouault <erouault>
|
||
|
|
Date: Thu, 12 Jan 2017 19:23:20 +0000
|
||
|
|
Subject: [PATCH] * libtiff/tif_ojpeg.c: fix leak in
|
||
|
|
OJPEGReadHeaderInfoSecTablesQTable, OJPEGReadHeaderInfoSecTablesDcTable and
|
||
|
|
OJPEGReadHeaderInfoSecTablesAcTable
|
||
|
|
|
||
|
|
Fixes CVE-2017-7594
|
||
|
|
|
||
|
|
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
|
||
|
|
---
|
||
|
|
libtiff/tif_ojpeg.c | 6 ++++++
|
||
|
|
1 file changed, 8 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
|
||
|
|
index b92f0ebd..5f6c684c 100644
|
||
|
|
--- a/libtiff/tif_ojpeg.c
|
||
|
|
+++ b/libtiff/tif_ojpeg.c
|
||
|
|
@@ -1790,7 +1790,10 @@ OJPEGReadHeaderInfoSecTablesQTable(TIFF* tif)
|
||
|
|
TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);
|
||
|
|
p=(uint32)TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);
|
||
|
|
if (p!=64)
|
||
|
|
+ {
|
||
|
|
+ _TIFFfree(ob);
|
||
|
|
return(0);
|
||
|
|
+ }
|
||
|
|
sp->qtable[m]=ob;
|
||
|
|
sp->sof_tq[m]=m;
|
||
|
|
}
|
||
|
|
@@ -1854,7 +1857,10 @@ OJPEGReadHeaderInfoSecTablesDcTable(TIFF* tif)
|
||
|
|
rb[sizeof(uint32)+5+n]=o[n];
|
||
|
|
p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
|
||
|
|
if (p!=q)
|
||
|
|
+ {
|
||
|
|
+ _TIFFfree(rb);
|
||
|
|
return(0);
|
||
|
|
+ }
|
||
|
|
sp->dctable[m]=rb;
|
||
|
|
sp->sos_tda[m]=(m<<4);
|
||
|
|
}
|
||
|
|
--
|
||
|
|
2.11.0
|
||
|
|
|