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Commit 0445be53 authored by Amit Mahajan's avatar Amit Mahajan
Browse files

Add validity check to detect invalid PDUs. 

Test: manual
Bug: 181382933
Change-Id: I32cdca12c279bf0514a8b7d102d5b4b6b0d76314
parent ef36e9f9

telephony/common/com/google/android/mms/pdu/PduParser.java

+5 −0
Original line number Diff line number Diff line
@@ -1550,6 +1550,11 @@ public class PduParser { 
        if (cur < TEXT_MIN) {

            int length = parseValueLength(pduDataStream);

            int startPos = pduDataStream.available();

            if (length > startPos) {

                Log.e(LOG_TAG, "parseContentType: Invalid length " + length

                        + " when available bytes are " + startPos);

                return (PduContentTypes.contentTypes[0]).getBytes(); //"*/*"

            }

            pduDataStream.mark(1);

            temp = pduDataStream.read();

            assert(-1 != temp);