diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-support/exiv2/exiv2/CVE-2021-3482.patch')
-rw-r--r-- | meta-openembedded/meta-oe/recipes-support/exiv2/exiv2/CVE-2021-3482.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-support/exiv2/exiv2/CVE-2021-3482.patch b/meta-openembedded/meta-oe/recipes-support/exiv2/exiv2/CVE-2021-3482.patch new file mode 100644 index 000000000..e7c5e1b65 --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-support/exiv2/exiv2/CVE-2021-3482.patch @@ -0,0 +1,54 @@ +From 22ea582c6b74ada30bec3a6b15de3c3e52f2b4da Mon Sep 17 00:00:00 2001 +From: Robin Mills <robin@clanmills.com> +Date: Mon, 5 Apr 2021 20:33:25 +0100 +Subject: [PATCH] fix_1522_jp2image_exif_asan + +--- + src/jp2image.cpp | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +diff --git a/src/jp2image.cpp b/src/jp2image.cpp +index eb31cea4a..88ab9b2d6 100644 +--- a/src/jp2image.cpp ++++ b/src/jp2image.cpp +@@ -28,6 +28,7 @@ + #include "image.hpp" + #include "image_int.hpp" + #include "basicio.hpp" ++#include "enforce.hpp" + #include "error.hpp" + #include "futils.hpp" + #include "types.hpp" +@@ -353,7 +354,7 @@ static void boxes_check(size_t b,size_t m) + if (io_->error()) throw Error(kerFailedToReadImageData); + if (bufRead != rawData.size_) throw Error(kerInputDataReadFailed); + +- if (rawData.size_ > 0) ++ if (rawData.size_ > 8) // "II*\0long" + { + // Find the position of Exif header in bytes array. + long pos = ( (rawData.pData_[0] == rawData.pData_[1]) +@@ -497,6 +498,7 @@ static void boxes_check(size_t b,size_t m) + position = io_->tell(); + box.length = getLong((byte*)&box.length, bigEndian); + box.type = getLong((byte*)&box.type, bigEndian); ++ enforce(box.length <= io_->size()-io_->tell() , Exiv2::kerCorruptedMetadata); + + if (bPrint) { + out << Internal::stringFormat("%8ld | %8ld | ", (size_t)(position - sizeof(box)), +@@ -581,12 +583,13 @@ static void boxes_check(size_t b,size_t m) + throw Error(kerInputDataReadFailed); + + if (bPrint) { +- out << Internal::binaryToString(makeSlice(rawData, 0, 40)); ++ out << Internal::binaryToString( ++ makeSlice(rawData, 0, rawData.size_>40?40:rawData.size_)); + out.flush(); + } + lf(out, bLF); + +- if (bIsExif && bRecursive && rawData.size_ > 0) { ++ if (bIsExif && bRecursive && rawData.size_ > 8) { // "II*\0long" + if ((rawData.pData_[0] == rawData.pData_[1]) && + (rawData.pData_[0] == 'I' || rawData.pData_[0] == 'M')) { + BasicIo::AutoPtr p = BasicIo::AutoPtr(new MemIo(rawData.pData_, rawData.size_)); |