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| | Copied from Debian
From 0782c759084daaf9e4de7ee6be7543081823455e Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Sun, 21 Dec 2014 20:58:29 +0000
Subject: [PATCH] * tools/tiff2bw.c: when Photometric=RGB, the utility only
works if SamplesPerPixel = 3. Enforce that
http://bugzilla.maptools.org/show_bug.cgi?id=2485 (CVE-2014-8127)
---
ChangeLog | 6 ++++++
tools/tiff2bw.c | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/tools/tiff2bw.c b/tools/tiff2bw.c
index 22467cd..94b8e31 100644
--- a/tools/tiff2bw.c
+++ b/tools/tiff2bw.c
@@ -171,6 +171,11 @@ main(int argc, char* argv[])
argv[optind], samplesperpixel);
return (-1);
}
+ if( photometric == PHOTOMETRIC_RGB && samplesperpixel != 3) {
+ fprintf(stderr, "%s: Bad samples/pixel %u for PHOTOMETRIC_RGB.\n",
+ argv[optind], samplesperpixel);
+ return (-1);
+ }
TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bitspersample);
if (bitspersample != 8) {
fprintf(stderr,
|