diff options
Diffstat (limited to 'meta/recipes-multimedia/libtiff/files/CVE-2016-10093.patch')
| -rw-r--r-- | meta/recipes-multimedia/libtiff/files/CVE-2016-10093.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-10093.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-10093.patch new file mode 100644 index 0000000000..e09bb7fd21 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-10093.patch @@ -0,0 +1,47 @@ +From 787c0ee906430b772f33ca50b97b8b5ca070faec Mon Sep 17 00:00:00 2001 +From: erouault <erouault> +Date: Sat, 3 Dec 2016 16:40:01 +0000 +Subject: [PATCH] * tools/tiffcp.c: fix uint32 underflow/overflow that can + cause heap-based buffer overflow. Reported by Agostino Sarubbo. Fixes + http://bugzilla.maptools.org/show_bug.cgi?id=2610 + +Upstream-Status: Backport +CVE: CVE-2016-10093 +Signed-off-by: Rajkumar Veer <rveer@mvista.com> + +--- + ChangeLog | 7 +++++++ + tools/tiffcp.c | 6 +++--- + 2 files changed, 10 insertions(+), 3 deletions(-) + +Index: tiff-4.0.7/tools/tiffcp.c +=================================================================== +--- tiff-4.0.7.orig/tools/tiffcp.c ++++ tiff-4.0.7/tools/tiffcp.c +@@ -1163,7 +1163,7 @@ bad: + + static void + cpStripToTile(uint8* out, uint8* in, +- uint32 rows, uint32 cols, int outskew, int inskew) ++ uint32 rows, uint32 cols, int outskew, int64 inskew) + { + while (rows-- > 0) { + uint32 j = cols; +@@ -1320,7 +1320,7 @@ DECLAREreadFunc(readContigTilesIntoBuffe + tdata_t tilebuf; + uint32 imagew = TIFFScanlineSize(in); + uint32 tilew = TIFFTileRowSize(in); +- int iskew = imagew - tilew; ++ int64 iskew = (int64)imagew - (int64)tilew; + uint8* bufp = (uint8*) buf; + uint32 tw, tl; + uint32 row; +@@ -1348,7 +1348,7 @@ DECLAREreadFunc(readContigTilesIntoBuffe + status = 0; + goto done; + } +- if (colb + tilew > imagew) { ++ if (colb > iskew) { + uint32 width = imagew - colb; + uint32 oskew = tilew - width; + cpStripToTile(bufp + colb, |