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Fix TIFF_VARIABLE/TIFF_VARIABLE2 confusion in TIFFPrintDirectory.

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This commit is contained in:
Tom Lane 2012-12-12 22:50:18 +00:00
parent 800527edd2
commit f752daaaab
2 changed files with 9 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-12-12 Tom Lane <tgl@sss.pgh.pa.us>
* libtiff/tif_print.c: Fix TIFFPrintDirectory's handling of
field_passcount fields: it had the TIFF_VARIABLE and
TIFF_VARIABLE2 cases backwards.
2012-12-10 Tom Lane <tgl@sss.pgh.pa.us>
* tools/ppm2tiff.c: Improve previous patch for CVE-2012-4564:

6
libtiff/tif_print.c
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@ -1,4 +1,4 @@
/* $Id: tif_print.c,v 1.60 2012-08-19 16:56:35 bfriesen Exp $ */
/* $Id: tif_print.c,v 1.61 2012-12-12 22:50:18 tgl Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
@ -582,10 +582,10 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
continue;
if(fip->field_passcount) {
if (fip->field_readcount == TIFF_VARIABLE ) {
if (fip->field_readcount == TIFF_VARIABLE2 ) {
if(TIFFGetField(tif, tag, &value_count, &raw_data) != 1)
continue;
} else if (fip->field_readcount == TIFF_VARIABLE2 ) {
} else if (fip->field_readcount == TIFF_VARIABLE ) {
uint16 small_value_count;
if(TIFFGetField(tif, tag, &small_value_count, &raw_data) != 1)
continue;