From: Lee Chee Yang <chee.yang....@intel.com> import patch from ubuntu to fix CVE-2023-52356 CVE-2023-6277 import from http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz
Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> --- .../libtiff/tiff/CVE-2023-52356.patch | 55 ++++++ .../libtiff/tiff/CVE-2023-6277-1.patch | 179 ++++++++++++++++++ .../libtiff/tiff/CVE-2023-6277-2.patch | 152 +++++++++++++++ .../libtiff/tiff/CVE-2023-6277-3.patch | 47 +++++ .../libtiff/tiff/CVE-2023-6277-4.patch | 94 +++++++++ meta/recipes-multimedia/libtiff/tiff_4.3.0.bb | 5 + 6 files changed, 532 insertions(+) create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-1.patch create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-2.patch create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-3.patch create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-4.patch diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch new file mode 100644 index 0000000000..6c3c5adc52 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch @@ -0,0 +1,55 @@ +CVE: CVE-2023-52356 +Upstream-Status: Backport +[ upstream : https://gitlab.com/libtiff/libtiff/-/commit/51558511bdbbcffdce534db21dbaf5d54b31638a +ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ] +Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> + +[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) + +--- + libtiff/tif_getimage.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + + +--- tiff-4.3.0.orig/libtiff/tif_getimage.c ++++ tiff-4.3.0/libtiff/tif_getimage.c +@@ -2942,6 +2942,13 @@ TIFFReadRGBAStripExt(TIFF* tif, uint32_t + } + + 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; +@@ -3018,6 +3025,14 @@ TIFFReadRGBATileExt(TIFF* tif, uint32_t + 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/tiff/CVE-2023-6277-1.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-1.patch new file mode 100644 index 0000000000..6882529cfb --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-1.patch @@ -0,0 +1,179 @@ +CVE: CVE-2023-6277 +Upstream-Status: Backport +[ upstream : https://gitlab.com/libtiff/libtiff/-/commit/5320c9d89c054fa805d037d84c57da874470b01a +ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ] +Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> + +[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); + . calling _TIFFfree(data) instead of _TIFFfreeExt(tif, data) (the latter did not exist yet); +-- 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 +--- + libtiff/tif_dirread.c | 92 ++++++++++++++++++++++++++++++++++++++++++- + 1 file changed, 90 insertions(+), 2 deletions(-) + +--- tiff-4.3.0.orig/libtiff/tif_dirread.c ++++ tiff-4.3.0/libtiff/tif_dirread.c +@@ -866,6 +866,21 @@ 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_t 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 > (uint64_t)tif->tif_size ) + return TIFFReadDirEntryErrIo; + +@@ -4593,6 +4608,20 @@ 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_t filesize = TIFFGetFileSize(tif); ++ uint64_t allocsize = (uint64_t)td->td_nstrips * sizeof(uint64_t); ++ 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_t*) +@@ -4603,9 +4632,7 @@ EstimateStripByteCounts(TIFF* tif, TIFFD + + if (td->td_compression != COMPRESSION_NONE) { + uint64_t space; +- uint64_t filesize; + uint16_t n; +- filesize = TIFFGetFileSize(tif); + if (!(tif->tif_flags&TIFF_BIGTIFF)) + space=sizeof(TIFFHeaderClassic)+2+dircount*12+4; + else +@@ -4913,6 +4940,20 @@ TIFFFetchDirectory(TIFF* tif, uint64_t d + dircount16 = (uint16_t)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_t filesize = TIFFGetFileSize(tif); ++ uint64_t allocsize = (uint64_t)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) +@@ -5016,6 +5057,20 @@ TIFFFetchDirectory(TIFF* tif, uint64_t d + "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_t filesize = TIFFGetFileSize(tif); ++ uint64_t allocsize = (uint64_t)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"); +@@ -5059,6 +5114,8 @@ TIFFFetchDirectory(TIFF* tif, uint64_t d + } + } + } ++ /* 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"); +@@ -5853,6 +5910,20 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEn + 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_t filesize = TIFFGetFileSize(tif); ++ uint64_t allocsize = (uint64_t)nstrips * sizeof(uint64_t); ++ 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_t*)_TIFFCheckMalloc(tif, nstrips, sizeof(uint64_t), "for strip array"); + if (resizeddata==0) { + _TIFFfree(data); +@@ -5948,6 +6019,23 @@ 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_t allocsize = (uint64_t)nstrips * sizeof(uint64_t) * 2; ++ uint64_t 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_t*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64_t), + "for chopped \"StripByteCounts\" array"); + newoffsets = (uint64_t*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64_t), diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-2.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-2.patch new file mode 100644 index 0000000000..fab43c0bc6 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-2.patch @@ -0,0 +1,152 @@ +CVE: CVE-2023-6277 +Upstream-Status: Backport +[ upstream : https://gitlab.com/libtiff/libtiff/-/commit/0b025324711213a75e38b52f7e7ba60235f108aa +ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ] +Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> + +[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); +-- 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. +--- + libtiff/tif_dirread.c | 83 +++++++++++++++++++++++++------------------ + 1 file changed, 48 insertions(+), 35 deletions(-) + +--- tiff-4.3.0.orig/libtiff/tif_dirread.c ++++ tiff-4.3.0/libtiff/tif_dirread.c +@@ -866,19 +866,22 @@ 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_t 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_t 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 > (uint64_t)tif->tif_size ) +@@ -4608,18 +4611,22 @@ 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_t filesize = TIFFGetFileSize(tif); +- uint64_t allocsize = (uint64_t)td->td_nstrips * sizeof(uint64_t); +- if (allocsize > filesize) ++ const uint64_t allocsize = (uint64_t)td->td_nstrips * sizeof(uint64_t); ++ uint64_t 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) +@@ -4666,11 +4673,13 @@ 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++) +@@ -4940,19 +4949,23 @@ TIFFFetchDirectory(TIFF* tif, uint64_t d + dircount16 = (uint16_t)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_t filesize = TIFFGetFileSize(tif); +- uint64_t allocsize = (uint64_t)dircount16 * dirsize; +- if (allocsize > filesize) ++ const uint64_t allocsize = (uint64_t)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_t 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/tiff/CVE-2023-6277-3.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-3.patch new file mode 100644 index 0000000000..e88fb278ef --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-3.patch @@ -0,0 +1,47 @@ +CVE: CVE-2023-6277 +Upstream-Status: Backport +[ upstream : https://gitlab.com/libtiff/libtiff/-/commit/de7bfd7d4377c266f81849579f696fa1ad5ba6c3 +ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ] +Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> + +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 +--- + libtiff/tif_dirread.c | 18 ------------------ + 1 file changed, 18 deletions(-) + +--- tiff-4.3.0.orig/libtiff/tif_dirread.c ++++ tiff-4.3.0/libtiff/tif_dirread.c +@@ -4949,24 +4949,6 @@ TIFFFetchDirectory(TIFF* tif, uint64_t d + dircount16 = (uint16_t)dircount64; + dirsize = 20; + } +- const uint64_t allocsize = (uint64_t)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_t 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/tiff/CVE-2023-6277-4.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-4.patch new file mode 100644 index 0000000000..2ab7e2e9da --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-6277-4.patch @@ -0,0 +1,94 @@ +CVE: CVE-2023-6277 +Upstream-Status: Backport +[ upstream : https://gitlab.com/libtiff/libtiff/-/commit/dbb825a8312f30e63a06c272010967d51af5c35a +ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ] +Signed-off-by: Lee Chee Yang <chee.yang....@intel.com> + +[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); + . 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 + +--- + libtiff/tif_dirread.c | 54 +++++++++++++++++++++++++------------------ + 1 file changed, 31 insertions(+), 23 deletions(-) + +--- tiff-4.3.0.orig/libtiff/tif_dirread.c ++++ tiff-4.3.0/libtiff/tif_dirread.c +@@ -5905,19 +5905,24 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEn + 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_t filesize = TIFFGetFileSize(tif); +- uint64_t allocsize = (uint64_t)nstrips * sizeof(uint64_t); +- if (allocsize > filesize) ++ const uint64_t allocsize = (uint64_t)nstrips * sizeof(uint64_t); ++ 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_t 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_t*)_TIFFCheckMalloc(tif, nstrips, sizeof(uint64_t), "for strip array"); + if (resizeddata==0) { +@@ -6018,17 +6023,20 @@ static void allocChoppedUpStripArrays(TI + * size of StripByteCount and StripOffset tags is not greater than + * file size. + */ +- uint64_t allocsize = (uint64_t)nstrips * sizeof(uint64_t) * 2; +- uint64_t filesize = TIFFGetFileSize(tif); +- if (allocsize > filesize) ++ const uint64_t allocsize = (uint64_t)nstrips * sizeof(uint64_t) * 2; ++ if (allocsize > 100 * 1024 * 1024) + { +- 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_t 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_t*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64_t), diff --git a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb index d284100ab2..b4af179e76 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb @@ -48,6 +48,11 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ file://CVE-2023-40745.patch \ file://CVE-2023-41175.patch \ file://CVE-2023-6228.patch \ + file://CVE-2023-52356.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 \ " SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8" -- 2.37.3
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#197571): https://lists.openembedded.org/g/openembedded-core/message/197571 Mute This Topic: https://lists.openembedded.org/mt/105192937/21656 Group Owner: openembedded-core+ow...@lists.openembedded.org Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
