Client crash when receiving message with empty string property from java
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Key: AMQCPP-149
URL: https://issues.apache.org/activemq/browse/AMQCPP-149
Project: ActiveMQ C++ Client
Issue Type: Bug
Components: Openwire
Affects Versions: 2.1, 2.0.1
Reporter: Marco Renz
Assignee: Nathan Mittler
Send message from a java client with a string property whereas the value is the
empty string.
Try to receive this message with a C++ client.
Result: C++ client crashs.
Reason:
In OpenwireStringSupport::readString a std::vector is initialized to the string
length which is 0. Then DataInputStream::readFully is called with the vector as
argument. But this method tries to get the element at index 0 of the vector
without any check. But there is no element in the vector at all...
Proposed solution:
DataInputStream::readFully should check the size of the vector before
accessing elements.
Further info:
If the message is send from C++ client then there is no problem. Maybe /0 is
used so that the vector has at least a size of 1.
I got that probelm with 2.0.1. I did not tried 2.1 but checked the code.
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