CVE-2022-24939 An invalid packet can cause a stack overflow in the ZNet stack.

CVE-2022-24939 An invalid packet can cause a stack overflow in the ZNet stack.

A malformed packet can occur if the packet length is too small or larger than the packet size. The packet length is the number of bytes in the packet. The packet size is the minimum number of bytes required for a packet. ZNet uses the UdpSocket class to receive packets from the ZNet network. This class is responsible for receiving packets, validating the packet length, and filling the packet with data. If a malformed packet is received, it will cause a stack overflow in the stack that receives the packet. This stack overflow causes an assert and a reset, immediately clearing the error. The malformed packet example can be seen in the following code: ember/routing/Socket#onDataPacket(packet: UdpSocket.Packet): ``` When a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet

Fixed in ZNC 3.4.4

The stack overflow can be fixed in ZNC 3.4.4 by making the packet size smaller than the packet length. If a malformed packet is received, it will cause a stack overflow in the stack that receives the packet. This stack overflow causes an assert and a reset, immediately clearing the error. The malformed packet example can be seen in the following code: ember/routing/Socket#onDataPacket(packet: UdpSocket.Packet): ``` When a malformed packet is received, the receive function will throw a stack overflow. If a malformed packet is received, the receive function will throw a stack overflow.

ZNet: Network Protocol and UDP socket layer

ZNet is an open source software framework for decentralized and peer-to-peer communication. ZNet uses the UdpSocket class to receive packets from the ZNet network. This class is responsible for receiving packets, validating the packet length, and filling the packet with data. If a malformed packet is received, it will cause a stack overflow in the stack that receives the packet. This stack overflow causes an assert and a reset, immediately clearing the error. The malformed packet example can be seen in the following code: ember/routing/Socket#onDataPacket(packet: UdpSocket.Packet): ``` When a malformed packet is received, the receive function will throw a stack overflow.

References

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