Title: Shareaza Multiple Remote Integer Overflow Vulnerabilities
Severity: HIGH
Description:
Shareaza is a P2P file-sharing application.
Shareaza is prone to multiple integer-overflow vulnerabilities. The application fails to properly ensure that user-supplied input does not result in the overflowing of integer values. This may result in data being copied past the end of a memory buffer.
Specifically, the issues affect the 'BtPacket::ReadBuffer()' routine of 'BTPacket.cpp' when a specially crafted packet containing a malicious packet length value is parsed; the 'CEDPacket::ReadBuffer()' routine of 'EDPacket.cpp' when a specially crafted packet containing a malicious packet size value is parsed; and the 'CPacket::Write()' routine of 'Packet.h' when specially crafted packets are handled.
These overflows cause the application to allocate smaller-than-expected memory regions. Subsequent operations are likely to overwrite memory regions past the end of the allocated buffer, allowing attackers to overwrite critical memory control structures. This may allow attackers to control the flow of execution, and potentially execute attacker-supplied code in the context of the affected application.
Shareaza 2.2.1.0 is reportedly vulnerable. Other versions may be affected as well.
Affected Products:
- Shareaza Shareaza 2.2.1 0
References:
- Ryan Smith: Shareaza
- Shareaza: Shareaza Homepage
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