[tlv] Disable 64-bit lengths. NCC-E003350-GH4 (#19539)

project-chip · Jun 17, 2022 · 504c761 · 504c761
1 parent 5ea0ca6
commit 504c761
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/lib/core/CHIPTLVReader.cpp b/src/lib/core/CHIPTLVReader.cpp
@@ -731,6 +731,7 @@ CHIP_ERROR TLVReader::ReadElement()
         break;
     case kTLVFieldSize_8Byte:
         mElemLenOrVal = LittleEndian::Read64(p);
+        VerifyOrReturnError(!TLVTypeHasLength(elemType) || (mElemLenOrVal <= UINT32_MAX), CHIP_ERROR_NOT_IMPLEMENTED);
         break;
     }