From: Vijay Anusuri <vanus...@mvista.com> import patches from ubuntu to fix CVE-2023-6277 CVE-2023-52356
Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/?h=ubuntu%2Ffocal-security Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/5320c9d89c054fa805d037d84c57da874470b01a & https://gitlab.com/libtiff/libtiff/-/commit/0b025324711213a75e38b52f7e7ba60235f108aa & https://gitlab.com/libtiff/libtiff/-/commit/de7bfd7d4377c266f81849579f696fa1ad5ba6c3 & https://gitlab.com/libtiff/libtiff/-/commit/dbb825a8312f30e63a06c272010967d51af5c35a & https://gitlab.com/libtiff/libtiff/-/commit/51558511bdbbcffdce534db21dbaf5d54b31638a] Signed-off-by: Vijay Anusuri <vanus...@mvista.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- .../libtiff/files/CVE-2023-52356.patch | 53 +++++ .../libtiff/files/CVE-2023-6277-1.patch | 191 ++++++++++++++++++ .../libtiff/files/CVE-2023-6277-2.patch | 152 ++++++++++++++ .../libtiff/files/CVE-2023-6277-3.patch | 46 +++++ .../libtiff/files/CVE-2023-6277-4.patch | 94 +++++++++ meta/recipes-multimedia/libtiff/tiff_4.1.0.bb | 5 + 6 files changed, 541 insertions(+) create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-6277-1.patch create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-6277-2.patch create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-6277-3.patch create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-6277-4.patch diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch new file mode 100644 index 0000000000..1b651e6529 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch @@ -0,0 +1,53 @@ +[Ubuntu note: Backport of the following patch from upstream, with a few changes +to match the current version of the file in the present Ubuntu release: + . using TIFFErrorExt instead of TIFFErrorExtR (the latter did not exist yet); +-- Rodrigo Figueiredo Zaiden] + +Backport of: + +From 51558511bdbbcffdce534db21dbaf5d54b31638a Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.roua...@spatialys.com> +Date: Tue, 31 Oct 2023 15:58:41 +0100 +Subject: [PATCH] TIFFReadRGBAStrip/TIFFReadRGBATile: add more validation of + col/row (fixes #622) + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-52356.patch?h=ubuntu/focal-security +Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/51558511bdbbcffdce534db21dbaf5d54b31638a] +CVE: CVE-2023-52356 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + libtiff/tif_getimage.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + + +--- tiff-4.1.0+git191117.orig/libtiff/tif_getimage.c ++++ tiff-4.1.0+git191117/libtiff/tif_getimage.c +@@ -2926,6 +2926,13 @@ TIFFReadRGBAStripExt(TIFF* tif, uint32 r + } + + if (TIFFRGBAImageOK(tif, emsg) && TIFFRGBAImageBegin(&img, tif, stop_on_error, emsg)) { ++ if (row >= img.height) ++ { ++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), ++ "Invalid row passed to TIFFReadRGBAStrip()."); ++ TIFFRGBAImageEnd(&img); ++ return (0); ++ } + + img.row_offset = row; + img.col_offset = 0; +@@ -3002,6 +3009,14 @@ TIFFReadRGBATileExt(TIFF* tif, uint32 co + return( 0 ); + } + ++ if (col >= img.width || row >= img.height) ++ { ++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), ++ "Invalid row/col passed to TIFFReadRGBATile()."); ++ TIFFRGBAImageEnd(&img); ++ return (0); ++ } ++ + /* + * The TIFFRGBAImageGet() function doesn't allow us to get off the + * edge of the image, even to fill an otherwise valid tile. So we diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-1.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-1.patch new file mode 100644 index 0000000000..e955b3f2e4 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-1.patch @@ -0,0 +1,191 @@ +[Ubuntu note: Backport of the following patch from upstream, with a few changes +to match the current version of the file in the present Ubuntu release: + . included inttypes.h header to support PRIu32 and PRIu64; + . using TIFFWarningExt instead of TIFFWarningExtR (the latter did not exist yet); + . using uint64 instead of uint64_t to preserve the current code usage; + . calling _TIFFfree(data) instead of _TIFFfreeExt(tif, data) (the latter did not exist yet); + . calls to the check size, that is the idea of the patch, were added before + _TIFFCheckMalloc and may note match the original patch methods; +-- Rodrigo Figueiredo Zaiden] + +Backport of: + +From 5320c9d89c054fa805d037d84c57da874470b01a Mon Sep 17 00:00:00 2001 +From: Su Laus <su...@freenet.de> +Date: Tue, 31 Oct 2023 15:43:29 +0000 +Subject: [PATCH] Prevent some out-of-memory attacks + +Some small fuzzer files fake large amounts of data and provoke out-of-memory situations. For non-compressed data content / tags, out-of-memory can be prevented by comparing with the file size. + +At image reading, data size of some tags / data structures (StripByteCounts, StripOffsets, StripArray, TIFF directory) is compared with file size to prevent provoked out-of-memory attacks. + +See issue https://gitlab.com/libtiff/libtiff/-/issues/614#note_1602683857 + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-6277-1.patch?h=ubuntu/focal-security +Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/5320c9d89c054fa805d037d84c57da874470b01a] +CVE: CVE-2023-6277 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + libtiff/tif_dirread.c | 92 ++++++++++++++++++++++++++++++++++++++++++- + 1 file changed, 90 insertions(+), 2 deletions(-) + +--- tiff-4.1.0+git191117.orig/libtiff/tif_dirread.c ++++ tiff-4.1.0+git191117/libtiff/tif_dirread.c +@@ -37,6 +37,7 @@ + #include "tiffiop.h" + #include <float.h> + #include <stdlib.h> ++#include <inttypes.h> + + #define FAILED_FII ((uint32) -1) + +@@ -863,6 +864,21 @@ static enum TIFFReadDirEntryErr TIFFRead + datasize=(*count)*typesize; + assert((tmsize_t)datasize>0); + ++ /* Before allocating a huge amount of memory for corrupted files, check if ++ * size of requested memory is not greater than file size. ++ */ ++ uint64 filesize = TIFFGetFileSize(tif); ++ if (datasize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, "ReadDirEntryArray", ++ "Requested memory size for tag %d (0x%x) %" PRIu32 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated, tag not read", ++ direntry->tdir_tag, direntry->tdir_tag, datasize, ++ filesize); ++ return (TIFFReadDirEntryErrAlloc); ++ } ++ + if( isMapped(tif) && datasize > (uint32)tif->tif_size ) + return TIFFReadDirEntryErrIo; + +@@ -4534,6 +4550,20 @@ EstimateStripByteCounts(TIFF* tif, TIFFD + if( !_TIFFFillStrilesInternal( tif, 0 ) ) + return -1; + ++ /* Before allocating a huge amount of memory for corrupted files, check if ++ * size of requested memory is not greater than file size. */ ++ uint64 filesize = TIFFGetFileSize(tif); ++ uint64 allocsize = (uint64)td->td_nstrips * sizeof(uint64); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, module, ++ "Requested memory size for StripByteCounts of %" PRIu64 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated", ++ allocsize, filesize); ++ return -1; ++ } ++ + if (td->td_stripbytecount_p) + _TIFFfree(td->td_stripbytecount_p); + td->td_stripbytecount_p = (uint64*) +@@ -4544,9 +4574,7 @@ EstimateStripByteCounts(TIFF* tif, TIFFD + + if (td->td_compression != COMPRESSION_NONE) { + uint64 space; +- uint64 filesize; + uint16 n; +- filesize = TIFFGetFileSize(tif); + if (!(tif->tif_flags&TIFF_BIGTIFF)) + space=sizeof(TIFFHeaderClassic)+2+dircount*12+4; + else +@@ -4854,6 +4882,20 @@ TIFFFetchDirectory(TIFF* tif, uint64 dir + dircount16 = (uint16)dircount64; + dirsize = 20; + } ++ /* Before allocating a huge amount of memory for corrupted files, check ++ * if size of requested memory is not greater than file size. */ ++ uint64 filesize = TIFFGetFileSize(tif); ++ uint64 allocsize = (uint64)dircount16 * dirsize; ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt( ++ tif->tif_clientdata, module, ++ "Requested memory size for TIFF directory of %" PRIu64 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated, TIFF directory not read", ++ allocsize, filesize); ++ return 0; ++ } + origdir = _TIFFCheckMalloc(tif, dircount16, + dirsize, "to read TIFF directory"); + if (origdir == NULL) +@@ -4957,6 +4999,20 @@ TIFFFetchDirectory(TIFF* tif, uint64 dir + "Sanity check on directory count failed, zero tag directories not supported"); + return 0; + } ++ /* Before allocating a huge amount of memory for corrupted files, check ++ * if size of requested memory is not greater than file size. */ ++ uint64 filesize = TIFFGetFileSize(tif); ++ uint64 allocsize = (uint64)dircount16 * dirsize; ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt( ++ tif->tif_clientdata, module, ++ "Requested memory size for TIFF directory of %" PRIu64 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated, TIFF directory not read", ++ allocsize, filesize); ++ return 0; ++ } + origdir = _TIFFCheckMalloc(tif, dircount16, + dirsize, + "to read TIFF directory"); +@@ -5000,6 +5056,8 @@ TIFFFetchDirectory(TIFF* tif, uint64 dir + } + } + } ++ /* No check against filesize needed here because "dir" should have same size ++ * than "origdir" checked above. */ + dir = (TIFFDirEntry*)_TIFFCheckMalloc(tif, dircount16, + sizeof(TIFFDirEntry), + "to read TIFF directory"); +@@ -5769,7 +5827,20 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEn + _TIFFfree(data); + return(0); + } +- ++ /* Before allocating a huge amount of memory for corrupted files, check ++ * if size of requested memory is not greater than file size. */ ++ uint64 filesize = TIFFGetFileSize(tif); ++ uint64 allocsize = (uint64)nstrips * sizeof(uint64); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, module, ++ "Requested memory size for StripArray of %" PRIu64 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated", ++ allocsize, filesize); ++ _TIFFfree(data); ++ return (0); ++ } + resizeddata=(uint64*)_TIFFCheckMalloc(tif,nstrips,sizeof(uint64),"for strip array"); + if (resizeddata==0) { + _TIFFfree(data); +@@ -5865,6 +5936,23 @@ static void allocChoppedUpStripArrays(TI + } + bytecount = last_offset + last_bytecount - offset; + ++ /* Before allocating a huge amount of memory for corrupted files, check if ++ * size of StripByteCount and StripOffset tags is not greater than ++ * file size. ++ */ ++ uint64 allocsize = (uint64)nstrips * sizeof(uint64) * 2; ++ uint64 filesize = TIFFGetFileSize(tif); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, "allocChoppedUpStripArrays", ++ "Requested memory size for StripByteCount and " ++ "StripOffsets %" PRIu64 ++ " is greather than filesize %" PRIu64 ++ ". Memory not allocated", ++ allocsize, filesize); ++ return; ++ } ++ + newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64), + "for chopped \"StripByteCounts\" array"); + newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64), diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-2.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-2.patch new file mode 100644 index 0000000000..644b3fdb3f --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-2.patch @@ -0,0 +1,152 @@ +[Ubuntu note: Backport of the following patch from upstream, with a few changes +to match the current version of the file in the present Ubuntu release: + . using TIFFWarningExt instead of TIFFWarningExtR (the latter did not exist yet); + . using uint64 instead of uint64_t to preserve the current code usage; +-- Rodrigo Figueiredo Zaiden] + +Backport of: + +From 0b025324711213a75e38b52f7e7ba60235f108aa Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.roua...@spatialys.com> +Date: Tue, 31 Oct 2023 19:47:22 +0100 +Subject: [PATCH] tif_dirread.c: only issue TIFFGetFileSize() for large enough + RAM requests + +Ammends 5320c9d89c054fa805d037d84c57da874470b01a + +This fixes a performance regression caught by the GDAL regression test +suite. + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-6277-2.patch?h=ubuntu/focal-security +Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/0b025324711213a75e38b52f7e7ba60235f108aa] +CVE: CVE-2023-6277 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + libtiff/tif_dirread.c | 83 +++++++++++++++++++++++++------------------ + 1 file changed, 48 insertions(+), 35 deletions(-) + +--- tiff-4.1.0+git191117.orig/libtiff/tif_dirread.c ++++ tiff-4.1.0+git191117/libtiff/tif_dirread.c +@@ -864,19 +864,22 @@ static enum TIFFReadDirEntryErr TIFFRead + datasize=(*count)*typesize; + assert((tmsize_t)datasize>0); + +- /* Before allocating a huge amount of memory for corrupted files, check if +- * size of requested memory is not greater than file size. +- */ +- uint64 filesize = TIFFGetFileSize(tif); +- if (datasize > filesize) ++ if (datasize > 100 * 1024 * 1024) + { +- TIFFWarningExt(tif->tif_clientdata, "ReadDirEntryArray", +- "Requested memory size for tag %d (0x%x) %" PRIu32 +- " is greather than filesize %" PRIu64 +- ". Memory not allocated, tag not read", +- direntry->tdir_tag, direntry->tdir_tag, datasize, +- filesize); +- return (TIFFReadDirEntryErrAlloc); ++ /* Before allocating a huge amount of memory for corrupted files, check ++ * if size of requested memory is not greater than file size. ++ */ ++ const uint64 filesize = TIFFGetFileSize(tif); ++ if (datasize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, "ReadDirEntryArray", ++ "Requested memory size for tag %d (0x%x) %" PRIu32 ++ " is greater than filesize %" PRIu64 ++ ". Memory not allocated, tag not read", ++ direntry->tdir_tag, direntry->tdir_tag, datasize, ++ filesize); ++ return (TIFFReadDirEntryErrAlloc); ++ } + } + + if( isMapped(tif) && datasize > (uint32)tif->tif_size ) +@@ -4550,18 +4553,22 @@ EstimateStripByteCounts(TIFF* tif, TIFFD + if( !_TIFFFillStrilesInternal( tif, 0 ) ) + return -1; + +- /* Before allocating a huge amount of memory for corrupted files, check if +- * size of requested memory is not greater than file size. */ +- uint64 filesize = TIFFGetFileSize(tif); +- uint64 allocsize = (uint64)td->td_nstrips * sizeof(uint64); +- if (allocsize > filesize) ++ const uint64 allocsize = (uint64)td->td_nstrips * sizeof(uint64); ++ uint64 filesize = 0; ++ if (allocsize > 100 * 1024 * 1024) + { +- TIFFWarningExt(tif->tif_clientdata, module, +- "Requested memory size for StripByteCounts of %" PRIu64 +- " is greather than filesize %" PRIu64 +- ". Memory not allocated", +- allocsize, filesize); +- return -1; ++ /* Before allocating a huge amount of memory for corrupted files, check ++ * if size of requested memory is not greater than file size. */ ++ filesize = TIFFGetFileSize(tif); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt( ++ tif->tif_clientdata, module, ++ "Requested memory size for StripByteCounts of %" PRIu64 ++ " is greater than filesize %" PRIu64 ". Memory not allocated", ++ allocsize, filesize); ++ return -1; ++ } + } + + if (td->td_stripbytecount_p) +@@ -4608,11 +4615,13 @@ EstimateStripByteCounts(TIFF* tif, TIFFD + return -1; + space+=datasize; + } ++ if (filesize == 0) ++ filesize = TIFFGetFileSize(tif); + if( filesize < space ) +- /* we should perhaps return in error ? */ +- space = filesize; +- else +- space = filesize - space; ++ /* we should perhaps return in error ? */ ++ space = filesize; ++ else ++ space = filesize - space; + if (td->td_planarconfig == PLANARCONFIG_SEPARATE) + space /= td->td_samplesperpixel; + for (strip = 0; strip < td->td_nstrips; strip++) +@@ -4882,19 +4891,23 @@ TIFFFetchDirectory(TIFF* tif, uint64 dir + dircount16 = (uint16)dircount64; + dirsize = 20; + } +- /* Before allocating a huge amount of memory for corrupted files, check +- * if size of requested memory is not greater than file size. */ +- uint64 filesize = TIFFGetFileSize(tif); +- uint64 allocsize = (uint64)dircount16 * dirsize; +- if (allocsize > filesize) ++ const uint64 allocsize = (uint64)dircount16 * dirsize; ++ if (allocsize > 100 * 1024 * 1024) + { +- TIFFWarningExt( +- tif->tif_clientdata, module, +- "Requested memory size for TIFF directory of %" PRIu64 +- " is greather than filesize %" PRIu64 +- ". Memory not allocated, TIFF directory not read", +- allocsize, filesize); +- return 0; ++ /* Before allocating a huge amount of memory for corrupted files, ++ * check if size of requested memory is not greater than file size. ++ */ ++ const uint64 filesize = TIFFGetFileSize(tif); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt( ++ tif->tif_clientdata, module, ++ "Requested memory size for TIFF directory of %" PRIu64 ++ " is greater than filesize %" PRIu64 ++ ". Memory not allocated, TIFF directory not read", ++ allocsize, filesize); ++ return 0; ++ } + } + origdir = _TIFFCheckMalloc(tif, dircount16, + dirsize, "to read TIFF directory"); diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-3.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-3.patch new file mode 100644 index 0000000000..ed7d7e7b96 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-3.patch @@ -0,0 +1,46 @@ +Backport of: + +From de7bfd7d4377c266f81849579f696fa1ad5ba6c3 Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.roua...@spatialys.com> +Date: Tue, 31 Oct 2023 20:13:45 +0100 +Subject: [PATCH] TIFFFetchDirectory(): remove useless allocsize vs filesize + check + +CoverityScan rightly points that the max value for dircount16 * dirsize +is 4096 * 20. That's small enough not to do any check + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-6277-3.patch?h=ubuntu/focal-security +Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/de7bfd7d4377c266f81849579f696fa1ad5ba6c3] +CVE: CVE-2023-6277 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + libtiff/tif_dirread.c | 18 ------------------ + 1 file changed, 18 deletions(-) + +--- tiff-4.1.0+git191117.orig/libtiff/tif_dirread.c ++++ tiff-4.1.0+git191117/libtiff/tif_dirread.c +@@ -4891,24 +4891,6 @@ TIFFFetchDirectory(TIFF* tif, uint64 dir + dircount16 = (uint16)dircount64; + dirsize = 20; + } +- const uint64 allocsize = (uint64)dircount16 * dirsize; +- if (allocsize > 100 * 1024 * 1024) +- { +- /* Before allocating a huge amount of memory for corrupted files, +- * check if size of requested memory is not greater than file size. +- */ +- const uint64 filesize = TIFFGetFileSize(tif); +- if (allocsize > filesize) +- { +- TIFFWarningExt( +- tif->tif_clientdata, module, +- "Requested memory size for TIFF directory of %" PRIu64 +- " is greater than filesize %" PRIu64 +- ". Memory not allocated, TIFF directory not read", +- allocsize, filesize); +- return 0; +- } +- } + origdir = _TIFFCheckMalloc(tif, dircount16, + dirsize, "to read TIFF directory"); + if (origdir == NULL) diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-4.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-4.patch new file mode 100644 index 0000000000..1a43fd3230 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-6277-4.patch @@ -0,0 +1,94 @@ +[Ubuntu note: Backport of the following patch from upstream, with a few changes +to match the current version of the file in the present Ubuntu release: + . using TIFFWarningExt instead of TIFFWarningExtR (the latter did not exist yet); + . using uint64 instead of uint64_t to preserve the current code usage; + . calling _TIFFfree(data) instead of _TIFFfreeExt(tif, data) (the latter did not exist yet); +-- Rodrigo Figueiredo Zaiden] + +Backport of: + +From dbb825a8312f30e63a06c272010967d51af5c35a Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.roua...@spatialys.com> +Date: Tue, 31 Oct 2023 21:30:58 +0100 +Subject: [PATCH] tif_dirread.c: only issue TIFFGetFileSize() for large enough + RAM requests + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-6277-4.patch?h=ubuntu/focal-security +Upstream commit https://gitlab.com/libtiff/libtiff/-/commit/dbb825a8312f30e63a06c272010967d51af5c35a] +CVE: CVE-2023-6277 +Signed-off-by: Vijay Anusuri <vanus...@mvista.com> +--- + libtiff/tif_dirread.c | 54 +++++++++++++++++++++++++------------------ + 1 file changed, 31 insertions(+), 23 deletions(-) + +--- tiff-4.1.0+git191117.orig/libtiff/tif_dirread.c ++++ tiff-4.1.0+git191117/libtiff/tif_dirread.c +@@ -5822,19 +5822,24 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEn + _TIFFfree(data); + return(0); + } +- /* Before allocating a huge amount of memory for corrupted files, check +- * if size of requested memory is not greater than file size. */ +- uint64 filesize = TIFFGetFileSize(tif); +- uint64 allocsize = (uint64)nstrips * sizeof(uint64); +- if (allocsize > filesize) ++ const uint64 allocsize = (uint64)nstrips * sizeof(uint64); ++ if (allocsize > 100 * 1024 * 1024) + { +- TIFFWarningExt(tif->tif_clientdata, module, +- "Requested memory size for StripArray of %" PRIu64 +- " is greather than filesize %" PRIu64 +- ". Memory not allocated", +- allocsize, filesize); +- _TIFFfree(data); +- return (0); ++ /* Before allocating a huge amount of memory for corrupted files, ++ * check if size of requested memory is not greater than file size. ++ */ ++ const uint64 filesize = TIFFGetFileSize(tif); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt( ++ tif->tif_clientdata, module, ++ "Requested memory size for StripArray of %" PRIu64 ++ " is greater than filesize %" PRIu64 ++ ". Memory not allocated", ++ allocsize, filesize); ++ _TIFFfree(data); ++ return (0); ++ } + } + resizeddata=(uint64*)_TIFFCheckMalloc(tif,nstrips,sizeof(uint64),"for strip array"); + if (resizeddata==0) { +@@ -5935,17 +5940,20 @@ static void allocChoppedUpStripArrays(TI + * size of StripByteCount and StripOffset tags is not greater than + * file size. + */ +- uint64 allocsize = (uint64)nstrips * sizeof(uint64) * 2; +- uint64 filesize = TIFFGetFileSize(tif); +- if (allocsize > filesize) +- { +- TIFFWarningExt(tif->tif_clientdata, "allocChoppedUpStripArrays", +- "Requested memory size for StripByteCount and " +- "StripOffsets %" PRIu64 +- " is greather than filesize %" PRIu64 +- ". Memory not allocated", +- allocsize, filesize); +- return; ++ const uint64 allocsize = (uint64)nstrips * sizeof(uint64) * 2; ++ if (allocsize > 100 * 1024 * 1024) ++ { ++ const uint64 filesize = TIFFGetFileSize(tif); ++ if (allocsize > filesize) ++ { ++ TIFFWarningExt(tif->tif_clientdata, "allocChoppedUpStripArrays", ++ "Requested memory size for StripByteCount and " ++ "StripOffsets %" PRIu64 ++ " is greater than filesize %" PRIu64 ++ ". Memory not allocated", ++ allocsize, filesize); ++ return; ++ } + } + + newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64), diff --git a/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb index c739f3a7fa..7efaba3a38 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb @@ -49,6 +49,11 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ file://CVE-2023-41175.patch \ file://CVE-2022-40090.patch \ file://CVE-2023-6228.patch \ + file://CVE-2023-6277-1.patch \ + file://CVE-2023-6277-2.patch \ + file://CVE-2023-6277-3.patch \ + file://CVE-2023-6277-4.patch \ + file://CVE-2023-52356.patch \ " SRC_URI[md5sum] = "2165e7aba557463acc0664e71a3ed424" SRC_URI[sha256sum] = "5d29f32517dadb6dbcd1255ea5bbc93a2b54b94fbf83653b4d65c7d6775b8634" -- 2.34.1
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