From 2ea32f7372b65c24b2816f11c04bf59b5090d05b Mon Sep 17 00:00:00 2001 From: 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 --- 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