diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2023-2617.patch')
-rw-r--r-- | meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2023-2617.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2023-2617.patch b/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2023-2617.patch new file mode 100644 index 0000000000..92c096e29c --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2023-2617.patch @@ -0,0 +1,88 @@ +commit ccc277247ac1a7aef0a90353edcdec35fbc5903c +Author: Nano <nanoapezlk@gmail.com> +Date: Wed Apr 26 15:09:52 2023 +0800 + + fix(wechat_qrcode): Init nBytes after the count value is determined (#3480) + + * fix(wechat_qrcode): Initialize nBytes after the count value is determined + + * fix(wechat_qrcode): Incorrect count data repair + + * chore: format expr + + * fix(wechat_qrcode): Avoid null pointer exception + + * fix(wechat_qrcode): return when bytes_ is empty + + * test(wechat_qrcode): add test case + + --------- + + Co-authored-by: GZTime <Time.GZ@outlook.com> + +CVE: CVE-2023-2617 + +Upstream-Status: Backport [https://github.com/opencv/opencv_contrib/commit/ccc277247ac1a7aef0a90353edcdec35fbc5903c] + +Signed-off-by: Soumya <soumya.sambu@windriver.com> +--- + +diff --git a/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp b/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp +index 05de793c..b3a0a69c 100644 +--- a/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp ++++ b/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp +@@ -65,7 +65,8 @@ void DecodedBitStreamParser::append(std::string& result, string const& in, + + void DecodedBitStreamParser::append(std::string& result, const char* bufIn, size_t nIn, + ErrorHandler& err_handler) { +- if (err_handler.ErrCode()) return; ++ // avoid null pointer exception ++ if (err_handler.ErrCode() || bufIn == nullptr) return; + #ifndef NO_ICONV_INSIDE + if (nIn == 0) { + return; +@@ -190,16 +191,20 @@ void DecodedBitStreamParser::decodeByteSegment(Ref<BitSource> bits_, string& res + CharacterSetECI* currentCharacterSetECI, + ArrayRef<ArrayRef<char> >& byteSegments, + ErrorHandler& err_handler) { +- int nBytes = count; + BitSource& bits(*bits_); + // Don't crash trying to read more bits than we have available. + int available = bits.available(); + // try to repair count data if count data is invalid + if (count * 8 > available) { +- count = (available + 7 / 8); ++ count = (available + 7) / 8; + } ++ size_t nBytes = count; ++ ++ ArrayRef<char> bytes_(nBytes); ++ // issue https://github.com/opencv/opencv_contrib/issues/3478 ++ if (bytes_->empty()) ++ return; + +- ArrayRef<char> bytes_(count); + char* readBytes = &(*bytes_)[0]; + for (int i = 0; i < count; i++) { + // readBytes[i] = (char) bits.readBits(8); +diff --git a/modules/wechat_qrcode/test/test_qrcode.cpp b/modules/wechat_qrcode/test/test_qrcode.cpp +index d59932b8..ec2559b0 100644 +--- a/modules/wechat_qrcode/test/test_qrcode.cpp ++++ b/modules/wechat_qrcode/test/test_qrcode.cpp +@@ -455,5 +455,16 @@ TEST_P(Objdetect_QRCode_Easy_Multi, regression) { + std::string qrcode_model_path[] = {"", "dnn/wechat_2021-01"}; + INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode_Easy_Multi, testing::ValuesIn(qrcode_model_path)); + ++TEST(Objdetect_QRCode_bug, issue_3478) { ++ auto detector = wechat_qrcode::WeChatQRCode(); ++ std::string image_path = findDataFile("qrcode/issue_3478.png"); ++ Mat src = imread(image_path, IMREAD_GRAYSCALE); ++ ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path; ++ std::vector<std::string> outs = detector.detectAndDecode(src); ++ ASSERT_EQ(1, (int) outs.size()); ++ ASSERT_EQ(16, (int) outs[0].size()); ++ ASSERT_EQ("KFCVW50 ", outs[0]); ++} ++ + } // namespace + } // namespace opencv_test |