diff options
Diffstat (limited to 'libtiff-CVE-2016-10268.patch')
| -rw-r--r-- | libtiff-CVE-2016-10268.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libtiff-CVE-2016-10268.patch b/libtiff-CVE-2016-10268.patch new file mode 100644 index 000000000000..a73f2221e030 --- /dev/null +++ b/libtiff-CVE-2016-10268.patch @@ -0,0 +1,28 @@ +From 5397a417e61258c69209904e652a1f409ec3b9df Mon Sep 17 00:00:00 2001 +From: erouault <erouault> +Date: Fri, 2 Dec 2016 22:13:32 +0000 +Subject: [PATCH] * tools/tiffcp.c: avoid uint32 underflow in cpDecodedStrips + that can cause various issues, such as buffer overflows in the library. + Reported by Agostino Sarubbo. Fixes + http://bugzilla.maptools.org/show_bug.cgi?id=2598 + +--- + tools/tiffcp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/tools/tiffcp.c b/tools/tiffcp.c +index a99c906..f294ed1 100644 +--- a/tools/tiffcp.c ++++ b/tools/tiffcp.c +@@ -985,7 +985,7 @@ DECLAREcpFunc(cpDecodedStrips) + tstrip_t s, ns = TIFFNumberOfStrips(in); + uint32 row = 0; + _TIFFmemset(buf, 0, stripsize); +- for (s = 0; s < ns; s++) { ++ for (s = 0; s < ns && row < imagelength; s++) { + tsize_t cc = (row + rowsperstrip > imagelength) ? + TIFFVStripSize(in, imagelength - row) : stripsize; + if (TIFFReadEncodedStrip(in, s, buf, cc) < 0 +-- +2.7.4 + |