diff options
| author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2015-11-06 05:38:49 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2015-11-06 05:38:49 +0100 |
| commit | 9491825ddff7a294d1f49061bae7044e426aeb2e (patch) | |
| tree | 06e651099f87140ec534ae47fb8ce1ac6ec7976d /tiff/html/v4.0.4beta.html | |
| parent | fa756339d4204bff7f2820067f58214d32780d17 (diff) | |
Imported Upstream version 1.8.3
Diffstat (limited to 'tiff/html/v4.0.4beta.html')
| -rwxr-xr-x | tiff/html/v4.0.4beta.html | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/tiff/html/v4.0.4beta.html b/tiff/html/v4.0.4beta.html new file mode 100755 index 0000000..2c2dfd2 --- /dev/null +++ b/tiff/html/v4.0.4beta.html @@ -0,0 +1,291 @@ +<HTML> +<HEAD> +<TITLE> + Changes in TIFF v4.0.4beta +</TITLE> +</HEAD> + +<BODY BGCOLOR=white> +<FONT FACE="Helvetica, Arial, Sans"> + +<BASEFONT SIZE=4> +<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B> +<BASEFONT SIZE=3> + +<UL> +<HR SIZE=4 WIDTH=65% ALIGN=left> +<B>Current Version</B>: v4.0.4beta<BR> +<B>Previous Version</B>: <A HREF=v4.0.3.html>v4.0.3</a><BR> +<B>Master FTP Site</B>: <A HREF="ftp://ftp.remotesensing.org/pub/libtiff"> +ftp.remotesensing.org</a>, directory pub/libtiff</A><BR> +<B>Master HTTP Site</B>: <A HREF="http://www.remotesensing.org/libtiff"> +http://www.remotesensing.org/libtiff</a> +<HR SIZE=4 WIDTH=65% ALIGN=left> +</UL> + +<P> +This document describes the changes made to the software between the +<I>previous</I> and <I>current</I> versions (see above). If you don't +find something listed here, then it was not done in this timeframe, or +it was not considered important enough to be mentioned. The following +information is located here: +<UL> +<LI><A HREF="#highlights">Major Changes</A> +<LI><A HREF="#configure">Changes in the software configuration</A> +<LI><A HREF="#libtiff">Changes in libtiff</A> +<LI><A HREF="#tools">Changes in the tools</A> +<LI><A HREF="#contrib">Changes in the contrib area</A> +</UL> +<p> +<P><HR WIDTH=65% ALIGN=left> + +<!---------------------------------------------------------------------------> + +<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A> + +<UL> + + <li> None + +</UL> + + +<P><HR WIDTH=65% ALIGN=left> +<!---------------------------------------------------------------------------> + +<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A> + +<UL> + + <li> Updated to use Automake 1.15 and Libtool 2.4.5 + +</UL> + +<P><HR WIDTH=65% ALIGN=left> + +<!---------------------------------------------------------------------------> + +<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A> + +<UL> + + <li> TIFFCheckDirOffset(): avoid uint16 overflow + when reading more than 65535 directories, and effectively error out when + eaching that limit. + + <li> TIFFNumberOfDirectories(): generate error in case of directory count + overflow. + + <li> TIFFAdvanceDirectory(): If nextdir is found to + be defective, then set it to zero before returning error in order + to terminate processing of truncated TIFF. + + <li> JPEG-in-TIFF: recognize SOF2, SOF9 and SOF10 + markers to avoid emitting a warning. Fix for compatibility with mozjpeg library. + Note: the default settings of mozjpeg will produce progressive scans, which + is forbidden by the TechNote. + + <li> JPEG-in-TIFF: Fix regression introduced in 3.9.3/4.0.0 that caused + all tiles/strips to include quantization tables even when the jpegtablesmode + had the JPEGTABLESMODE_QUANT bit set. + Also add explicit removal of Huffman tables when jpegtablesmode has the + JPEGTABLESMODE_HUFF bit set, which avoids Huffman tables to be emitted in the + first tile/strip (only useful in update scenarios. create-only was + fine) + + <li> JPEG-in-TIFF: fix segfault in JPEGFixupTagsSubsampling() on + corrupted image where tif->tif_dir.td_stripoffset == NULL. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2471">#2471</a>) + + <li> NeXT codec: add new tests to check that we don't read outside of + the compressed input stream buffer. + + <li> NeXT codec: check that BitsPerSample = 2. Fixes + <a href="http://bugzilla.maptools.org/show_bug.cgi?id=2487">#2487</a> (CVE-2014-8129) + + <li> NeXT codec: in the "run mode", use tilewidth for tiled images + instead of imagewidth to avoid crash + + <li> tif_getimage.c: in OJPEG case, fix checks on strile width/height + in the putcontig8bitYCbCr42tile, putcontig8bitYCbCr41tile and + putcontig8bitYCbCr21tile cases. + + <li> in TIFFDefaultDirectory(), reset any already existing + extented tags installed by user code through the extender mechaninm before + calling the extender callback (GDAL #5054) + + <li> Fix warnings about unused parameters. + + <li> Fix various typos in comments found by Debian lintian tool (GDAL #5756) + + <li> tif_getimage.c: avoid divide by zero on invalid YCbCr subsampling. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2235">#2235</a>) + + <li> tif_dirread.c: In EstimateStripByteCounts(), check return code + of _TIFFFillStriles(). This solves crashing bug on corrupted + images generated by afl. + + <li>tif_read.c: fix several invalid comparisons of a uint64 value with + <= 0 by casting it to int64 first. This solves crashing bug on corrupted + images generated by afl. + + <li>TIFFSetField(): refuse to set negative values for + TIFFTAG_XRESOLUTION and TIFFTAG_YRESOLUTION that cause asserts when writing + the directory + + <li>TIFFReadDirectory(): refuse to read ColorMap or + TransferFunction if BitsPerSample has not yet been read, otherwise reading + it later will cause user code to crash if BitsPerSample > 1 + + <li> TIFFRGBAImageOK(): return FALSE if LOGLUV with + SamplesPerPixel != 3, or if CIELAB with SamplesPerPixel != 3 or BitsPerSample != 8 + + <li> tif_config.vc.h: no longer use "#define snprintf _snprintf" with + Visual Studio 2015 aka VC 14 aka MSVC 1900 + + <li> LZW codec: prevent potential null dereference of sp->dec_codetab in LZWPreDecode + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2459">#2459</a>) + + <li> TIFFReadBufferSetup(): avoid passing -1 size + to TIFFmalloc() if passed user buffer size is 0 + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2459">#2459</a>) + + <li> TIFFReadDirEntryOutputErr(): Incorrect + count for tag should be a warning rather than an error since + errors terminate processing. + + <li> tif_dirinfo.c (TIFFField) : Fix data type for TIFFTAG_GLOBALPARAMETERSIFD tag. + + <li> Add definitions for TIFF/EP CFARepeatPatternDim and CFAPattern tags + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2457">#2457</a>) + + <li> tif_codec.c, tif_dirinfo.c: Enlarge some fixed-size buffers that weren't + large enough, and eliminate substantially all uses of sprintf(buf, + ...) in favor of using snprintf(buf, sizeof(buf), ...) + <li> configure.ac: Improve pkg-config static linking by adding -lm to Libs.private when needed. + + <li> tif_write.c: tmsize_t related casting warning fixed for + 64bit linux. + + <li> tif_read.c: uint64/tmsize_t change for MSVC warnings. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2427">#2427</a>) + + <li> Fix TIFFPrintDirectory's handling of + field_passcount fields: it had the TIFF_VARIABLE and + TIFF_VARIABLE2 cases backwards. + + <li> PixarLog codec: Improve previous patch for CVE-2012-4447 + (to enlarge tbuf for possible partial stride at end) so that + overflow in the integer addition is detected. + + <li>tif_{unix,vms,win32}.c (_TIFFmalloc): ANSI C does not + require malloc() to return NULL pointer if requested allocation + size is zero. Assure that _TIFFmalloc does. + + <li>tif_zip.c: Avoid crash on NULL error messages. + +</UL> + +<P><HR WIDTH=65% ALIGN=left> + +<!--------------------------------------------------------------------------> + +<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A> + +<UL> + + <li> tiff2pdf: Fis various crashes and memory buffer access errors (oCERT-2014-013). + <li> tiff2pdf: fix buffer overflow on some YCbCr JPEG compressed images. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2445">#2445</a>) + <li> tiff2pdf: fix buffer overflow on YCbCr JPEG compressed image. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2443">#2443</a>) + <li> tiff2pdf: check return code of TIFFGetField() when reading TIFFTAG_SAMPLESPERPIXEL + <li> tiff2pdf: fix crash due to invalid tile count. + <li> tiff2pdf: Detect invalid settings of BitsPerSample/SamplesPerPixel for CIELAB / ITULAB + <li> tiff2pdf: Assure that memory size calculations for + _TIFFmalloc() do not overflow the range of tmsize_t. + <li> tiff2pdf: Avoid crash when TIFFTAG_TRANSFERFUNCTION tag returns one channel, + with the other two channels set to NULL. + <li> tiff2pdf: close PDF file. (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2479">#2479</a>) + <li> tiff2pdf: Preserve input file directory order when pages + are tagged with the same page number. + <li> tiff2pdf.c: terminate after failure of allocating ycbcr buffer + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2449">#2449</a> CVE-2013-4232) + <li> tiff2pdf: Rewrite JPEG marker parsing in + t2p_process_jpeg_strip to be at least marginally competent. The + approach is still fundamentally flawed, but at least now it won't + stomp all over memory when given bogus input. Fixes CVE-2013-1960. + <li> tiffdump: Guard against arithmetic overflow when calculating allocation buffer sizes. + <li> tiffdump: fix crash due to overflow of entry count. + <li> tiffdump: Fix double-free bug. + <li> tiffdump: detect cycle in TIFF directory chaining. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2463">#2463</a>) + <li> tiffdump: avoid passing a NULL pointer to read() if seek() failed before. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2459">#2459</a>) + <li> tiff2bw: when Photometric=RGB, the utility only works if SamplesPerPixel = 3. Enforce that. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2485">#2485</a>, CVE-2014-8127) + <li> pal2rgb, thumbnail: fix crash by disabling TIFFTAG_INKNAMES copying. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2484">#2484</a>, CVE-2014-8127) + <li> thumbnail: fix out-of-buffer write. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2489">#2489</a>, CVE-2014-8128) + <li> thumbnail, tiffcmp: only read/write TIFFTAG_GROUP3OPTIONS + or TIFFTAG_GROUP4OPTIONS if compression is COMPRESSION_CCITTFAX3 or + COMPRESSION_CCITTFAX4. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2493">#2493</a>, CVE-2014-8128) + <li> tiffcp: fix crash when converting YCbCr JPEG-compressed to none. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2480">#2480</a>) + <li> bmp2tiff: fix crash due to int overflow related to input BMP dimensions + <li> tiffcrop: fix crash due to invalid TileWidth/TileHeight + <li> tiffcrop: fix segfault if bad value passed to -Z option + ( <a href="http://bugzilla.maptools.org/show_bug.cgi?id=2459">#2459</a>) + and add missing va_end in dump_info + <li> thumbnail, tiffcrop: "fix" heap read over-run found with + Valgrind and Address Sanitizer on test suite + <li> fax2ps: check malloc()/realloc() result. (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2470">#2470</a>) + <li> gif2tiff: apply patch for CVE-2013-4243. (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2451">#2451</a>) + <li> gif2tiff: fix possible OOB write. (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2452">#2452</a>, CVE-2013-4244) + <li> gif2tiff: Be more careful about corrupt or hostile input files (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2450">#2450</a>, CVE-2013-4231) + <li> tiff2rgba: fix usage message in that zip was wrongly described + <li> tiffinfo: Default various values fetched with TIFFGetField() to avoid being uninitialized. + <li> tiff2ps: Fix bug in auto rotate option code. + <li> ppm2tiff: avoid zero size buffer vulnerability (CVE-2012-4564). + check the linebytes calculation too, get the max() calculation + straight, avoid redundant error messages, check for malloc + failure. + <li> tiffset: now supports a -u option to unset a tag. + (<a href="http://bugzilla.maptools.org/show_bug.cgi?id=2419">#2419</a>) + <li> Fix warnings about unused parameters. + <li> rgb2ycbcr, tiff2bw, tiff2pdf, tiff2ps, tiffcrop, tiffdither : + Enlarge some fixed-size buffers that weren't + large enough, and eliminate substantially all uses of sprintf(buf, + ...) in favor of using snprintf(buf, sizeof(buf), ...), so as to + protect against overflow of fixed-size buffers. This responds in + particular to CVE-2013-1961 concerning overflow in tiff2pdf.c's + t2p_write_pdf_page(). + <li>html/man/tiff2ps.1.html, html/man/tiffcp.1.html, + html/man/tiffdither.1.html, man/tiff2ps.1, man/tiffcp.1, + man/tiffdither.1, tools/tiff2ps.c, tools/tiffcp.c, + tools/tiffdither.c: Sync tool usage printouts and man pages with + reality + +</UL> + +<P><HR WIDTH=65% ALIGN=left> + +<!---------------------------------------------------------------------------> + +<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A> + +<UL> + + <li> Fix warnings about variables set but not used. + <li> contrib/dbs/xtiff/xtiff.c: Enlarge some fixed-size buffers that weren't + large enough, and eliminate substantially all uses of sprintf(buf, + ...) in favor of using snprintf(buf, sizeof(buf), ...), so as to + protect against overflow of fixed-size buffers. +</UL> + +Last updated $Date: 2015-26-01 11:18:00 $. + +</BODY> +</HTML> |