diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-oob-write-in-nextdecode.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-oob-write-in-nextdecode.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/gnu/packages/patches/libtiff-oob-write-in-nextdecode.patch b/gnu/packages/patches/libtiff-oob-write-in-nextdecode.patch deleted file mode 100644 index 50657b667c..0000000000 --- a/gnu/packages/patches/libtiff-oob-write-in-nextdecode.patch +++ /dev/null @@ -1,49 +0,0 @@ -2015-12-27 Even Rouault <even.rouault at spatialys.com> - - * libtiff/tif_next.c: fix potential out-of-bound write in NeXTDecode() - triggered by http://lcamtuf.coredump.cx/afl/vulns/libtiff5.tif - (bugzilla #2508) - -diff -u -r1.16 -r1.18 ---- libtiff/libtiff/tif_next.c 29 Dec 2014 12:09:11 -0000 1.16 -+++ libtiff/libtiff/tif_next.c 27 Dec 2015 17:14:52 -0000 1.18 -@@ -1,4 +1,4 @@ --/* $Id: tif_next.c,v 1.16 2014-12-29 12:09:11 erouault Exp $ */ -+/* $Id: tif_next.c,v 1.18 2015-12-27 17:14:52 erouault Exp $ */ - - /* - * Copyright (c) 1988-1997 Sam Leffler -@@ -37,7 +37,7 @@ - case 0: op[0] = (unsigned char) ((v) << 6); break; \ - case 1: op[0] |= (v) << 4; break; \ - case 2: op[0] |= (v) << 2; break; \ -- case 3: *op++ |= (v); break; \ -+ case 3: *op++ |= (v); op_offset++; break; \ - } \ - } - -@@ -103,6 +103,7 @@ - } - default: { - uint32 npixels = 0, grey; -+ tmsize_t op_offset = 0; - uint32 imagewidth = tif->tif_dir.td_imagewidth; - if( isTiled(tif) ) - imagewidth = tif->tif_dir.td_tilewidth; -@@ -122,10 +123,15 @@ - * bounds, potentially resulting in a security - * issue. - */ -- while (n-- > 0 && npixels < imagewidth) -+ while (n-- > 0 && npixels < imagewidth && op_offset < scanline) - SETPIXEL(op, grey); - if (npixels >= imagewidth) - break; -+ if (op_offset >= scanline ) { -+ TIFFErrorExt(tif->tif_clientdata, module, "Invalid data for scanline %ld", -+ (long) tif->tif_row); -+ return (0); -+ } - if (cc == 0) - goto bad; - n = *bp++, cc--; |