diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch b/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch new file mode 100644 index 0000000000..2f4509f386 --- /dev/null +++ b/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch @@ -0,0 +1,449 @@ +Fixes CVE-2017-{7595,7596,7597,7598,7599,7600,7601,7602}: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7595 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7596 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7597 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7598 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7599 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7600 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7601 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7602 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various + clampings + of double to other data types to avoid undefined behaviour if the + output range + isn't big enough to hold the input value. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2643 + http://bugzilla.maptools.org/show_bug.cgi?id=2642 + http://bugzilla.maptools.org/show_bug.cgi?id=2646 + http://bugzilla.maptools.org/show_bug.cgi?id=2647 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1204; previous revision: 1.1203 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v <-- libtiff/tif_dir.c +new revision: 1.129; previous revision: 1.128 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c +new revision: 1.207; previous revision: 1.206 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v <-- libtiff/tif_dirwrite.c +new revision: 1.85; previous revision: 1.84 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_dirread.c: avoid division by floating point 0 in + TIFFReadDirEntryCheckedRational() and + TIFFReadDirEntryCheckedSrational(), + and return 0 in that case (instead of infinity as before presumably) + Apparently some sanitizers do not like those divisions by zero. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2644 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1203; previous revision: 1.1202 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c +new revision: 1.206; previous revision: 1.205 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_jpeg.c: validate BitsPerSample in JPEGSetupEncode() to + avoid undefined behaviour caused by invalid shift exponent. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648 + + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1205; previous revision: 1.1204 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v <-- libtiff/tif_jpeg.c +new revision: 1.126; previous revision: 1.125 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_read.c: avoid potential undefined behaviour on signed + integer addition in TIFFReadRawStrip1() in isMapped() case. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2650 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1206; previous revision: 1.1205 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c +new revision: 1.51; previous revision: 1.50 + +Index: libtiff/libtiff/tif_dir.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v +retrieving revision 1.128 +retrieving revision 1.129 +diff -u -r1.128 -r1.129 +--- libtiff/libtiff/tif_dir.c 3 Dec 2016 15:30:31 -0000 1.128 ++++ libtiff/libtiff/tif_dir.c 11 Jan 2017 16:09:02 -0000 1.129 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */ ++/* $Id: tif_dir.c,v 1.129 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -31,6 +31,7 @@ + * (and also some miscellaneous stuff) + */ + #include "tiffiop.h" ++#include <float.h> + + /* + * These are used in the backwards compatibility code... +@@ -154,6 +155,15 @@ + return (0); + } + ++static float TIFFClampDoubleToFloat( double val ) ++{ ++ if( val > FLT_MAX ) ++ return FLT_MAX; ++ if( val < -FLT_MAX ) ++ return -FLT_MAX; ++ return (float)val; ++} ++ + static int + _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap) + { +@@ -312,13 +322,13 @@ + dblval = va_arg(ap, double); + if( dblval < 0 ) + goto badvaluedouble; +- td->td_xresolution = (float) dblval; ++ td->td_xresolution = TIFFClampDoubleToFloat( dblval ); + break; + case TIFFTAG_YRESOLUTION: + dblval = va_arg(ap, double); + if( dblval < 0 ) + goto badvaluedouble; +- td->td_yresolution = (float) dblval; ++ td->td_yresolution = TIFFClampDoubleToFloat( dblval ); + break; + case TIFFTAG_PLANARCONFIG: + v = (uint16) va_arg(ap, uint16_vap); +@@ -327,10 +337,10 @@ + td->td_planarconfig = (uint16) v; + break; + case TIFFTAG_XPOSITION: +- td->td_xposition = (float) va_arg(ap, double); ++ td->td_xposition = TIFFClampDoubleToFloat( va_arg(ap, double) ); + break; + case TIFFTAG_YPOSITION: +- td->td_yposition = (float) va_arg(ap, double); ++ td->td_yposition = TIFFClampDoubleToFloat( va_arg(ap, double) ); + break; + case TIFFTAG_RESOLUTIONUNIT: + v = (uint16) va_arg(ap, uint16_vap); +Index: libtiff/libtiff/tif_dirread.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v +retrieving revision 1.206 +retrieving revision 1.207 +diff -u -r1.206 -r1.207 +--- libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206 ++++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 16:09:02 -0000 1.207 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dirread.c,v 1.205 2016-12-03 11:02:15 erouault Exp $ */ ++/* $Id: tif_dirread.c,v 1.207 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -40,6 +40,7 @@ + */ + + #include "tiffiop.h" ++#include <float.h> + + #define IGNORE 0 /* tag placeholder used below */ + #define FAILED_FII ((uint32) -1) +@@ -2406,7 +2407,14 @@ + ma=(double*)origdata; + mb=data; + for (n=0; n<count; n++) +- *mb++=(float)(*ma++); ++ { ++ double val = *ma++; ++ if( val > FLT_MAX ) ++ val = FLT_MAX; ++ else if( val < -FLT_MAX ) ++ val = -FLT_MAX; ++ *mb++=(float)val; ++ } + } + break; + } +Index: libtiff/libtiff/tif_dirwrite.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v +retrieving revision 1.84 +retrieving revision 1.85 +diff -u -r1.84 -r1.85 +--- libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 12:51:59 -0000 1.84 ++++ libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 16:09:02 -0000 1.85 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dirwrite.c,v 1.83 2016-10-25 21:35:15 erouault Exp $ */ ++/* $Id: tif_dirwrite.c,v 1.85 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -30,6 +30,7 @@ + * Directory Write Support Routines. + */ + #include "tiffiop.h" ++#include <float.h> + + #ifdef HAVE_IEEEFP + #define TIFFCvtNativeToIEEEFloat(tif, n, fp) +@@ -939,6 +940,69 @@ + return(0); + } + ++static float TIFFClampDoubleToFloat( double val ) ++{ ++ if( val > FLT_MAX ) ++ return FLT_MAX; ++ if( val < -FLT_MAX ) ++ return -FLT_MAX; ++ return (float)val; ++} ++ ++static int8 TIFFClampDoubleToInt8( double val ) ++{ ++ if( val > 127 ) ++ return 127; ++ if( val < -128 || val != val ) ++ return -128; ++ return (int8)val; ++} ++ ++static int16 TIFFClampDoubleToInt16( double val ) ++{ ++ if( val > 32767 ) ++ return 32767; ++ if( val < -32768 || val != val ) ++ return -32768; ++ return (int16)val; ++} ++ ++static int32 TIFFClampDoubleToInt32( double val ) ++{ ++ if( val > 0x7FFFFFFF ) ++ return 0x7FFFFFFF; ++ if( val < -0x7FFFFFFF-1 || val != val ) ++ return -0x7FFFFFFF-1; ++ return (int32)val; ++} ++ ++static uint8 TIFFClampDoubleToUInt8( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 255 || val != val ) ++ return 255; ++ return (uint8)val; ++} ++ ++static uint16 TIFFClampDoubleToUInt16( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 65535 || val != val ) ++ return 65535; ++ return (uint16)val; ++} ++ ++static uint32 TIFFClampDoubleToUInt32( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 0xFFFFFFFFU || val != val ) ++ return 0xFFFFFFFFU; ++ return (uint32)val; ++} ++ + static int + TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) + { +@@ -959,7 +1023,7 @@ + if (tif->tif_dir.td_bitspersample<=32) + { + for (i = 0; i < count; ++i) +- ((float*)conv)[i] = (float)value[i]; ++ ((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]); + ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv); + } + else +@@ -971,19 +1035,19 @@ + if (tif->tif_dir.td_bitspersample<=8) + { + for (i = 0; i < count; ++i) +- ((int8*)conv)[i] = (int8)value[i]; ++ ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]); + ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv); + } + else if (tif->tif_dir.td_bitspersample<=16) + { + for (i = 0; i < count; ++i) +- ((int16*)conv)[i] = (int16)value[i]; ++ ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]); + ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv); + } + else + { + for (i = 0; i < count; ++i) +- ((int32*)conv)[i] = (int32)value[i]; ++ ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]); + ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv); + } + break; +@@ -991,19 +1055,19 @@ + if (tif->tif_dir.td_bitspersample<=8) + { + for (i = 0; i < count; ++i) +- ((uint8*)conv)[i] = (uint8)value[i]; ++ ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]); + ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv); + } + else if (tif->tif_dir.td_bitspersample<=16) + { + for (i = 0; i < count; ++i) +- ((uint16*)conv)[i] = (uint16)value[i]; ++ ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]); + ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv); + } + else + { + for (i = 0; i < count; ++i) +- ((uint32*)conv)[i] = (uint32)value[i]; ++ ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]); + ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv); + } + break; +@@ -2102,7 +2102,7 @@ + m[0]=0; + m[1]=1; + } +- else if (value==(double)(uint32)value) ++ else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value) + { + m[0]=(uint32)value; + m[1]=1; +@@ -2148,12 +2217,13 @@ + } + for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) + { +- if (*na<=0.0) ++ if (*na<=0.0 || *na != *na) + { + nb[0]=0; + nb[1]=1; + } +- else if (*na==(float)(uint32)(*na)) ++ else if (*na >= 0 && *na <= (float)0xFFFFFFFFU && ++ *na==(float)(uint32)(*na)) + { + nb[0]=(uint32)(*na); + nb[1]=1; +Index: libtiff/libtiff/tif_dirread.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v +retrieving revision 1.205 +retrieving revision 1.206 +diff -u -r1.205 -r1.206 +--- libtiff/libtiff/tif_dirread.c 3 Dec 2016 11:02:15 -0000 1.205 ++++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206 +@@ -2872,7 +2872,10 @@ + m.l = direntry->tdir_offset.toff_long8; + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabArrayOfLong(m.i,2); +- if (m.i[0]==0) ++ /* Not completely sure what we should do when m.i[1]==0, but some */ ++ /* sanitizers do not like division by 0.0: */ ++ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ ++ if (m.i[0]==0 || m.i[1]==0) + *value=0.0; + else + *value=(double)m.i[0]/(double)m.i[1]; +@@ -2900,7 +2903,10 @@ + m.l=direntry->tdir_offset.toff_long8; + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabArrayOfLong(m.i,2); +- if ((int32)m.i[0]==0) ++ /* Not completely sure what we should do when m.i[1]==0, but some */ ++ /* sanitizers do not like division by 0.0: */ ++ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ ++ if ((int32)m.i[0]==0 || m.i[1]==0) + *value=0.0; + else + *value=(double)((int32)m.i[0])/(double)m.i[1]; +Index: libtiff/libtiff/tif_jpeg.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v +retrieving revision 1.125 +retrieving revision 1.126 +diff -u -r1.125 -r1.126 +--- libtiff/libtiff/tif_jpeg.c 11 Jan 2017 12:15:01 -0000 1.125 ++++ libtiff/libtiff/tif_jpeg.c 11 Jan 2017 16:13:50 -0000 1.126 +@@ -1,4 +1,4 @@ +-/* $Id: tif_jpeg.c,v 1.123 2016-01-23 21:20:34 erouault Exp $ */ ++/* $Id: tif_jpeg.c,v 1.126 2017-01-11 16:13:50 erouault Exp $ */ + + /* + * Copyright (c) 1994-1997 Sam Leffler +@@ -1632,6 +1632,13 @@ + "Invalig horizontal/vertical sampling value"); + return (0); + } ++ if( td->td_bitspersample > 16 ) ++ { ++ TIFFErrorExt(tif->tif_clientdata, module, ++ "BitsPerSample %d not allowed for JPEG", ++ td->td_bitspersample); ++ return (0); ++ } + + /* + * A ReferenceBlackWhite field *must* be present since the +Index: libtiff/libtiff/tif_read.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v +retrieving revision 1.50 +retrieving revision 1.51 +diff -u -r1.50 -r1.51 +--- libtiff/libtiff/tif_read.c 2 Dec 2016 21:56:56 -0000 1.50 ++++ libtiff/libtiff/tif_read.c 11 Jan 2017 16:33:34 -0000 1.51 +@@ -420,16 +420,25 @@ + return ((tmsize_t)(-1)); + } + } else { +- tmsize_t ma,mb; ++ tmsize_t ma; + tmsize_t n; +- ma=(tmsize_t)td->td_stripoffset[strip]; +- mb=ma+size; +- if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size)) +- n=0; +- else if ((mb<ma)||(mb<size)||(mb>tif->tif_size)) +- n=tif->tif_size-ma; +- else +- n=size; ++ if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)|| ++ ((ma=(tmsize_t)td->td_stripoffset[strip])>tif->tif_size)) ++ { ++ n=0; ++ } ++ else if( ma > TIFF_TMSIZE_T_MAX - size ) ++ { ++ n=0; ++ } ++ else ++ { ++ tmsize_t mb=ma+size; ++ if (mb>tif->tif_size) ++ n=tif->tif_size-ma; ++ else ++ n=size; ++ } + if (n!=size) { + #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) + TIFFErrorExt(tif->tif_clientdata, module, |