CVE-1999-1289
HighExploitation Probability (EPSS)
Elevated risk68th percentile - higher than 68% of all known CVEs
Summary
ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address, which may lead to the leakage of sensitive information about the client or internal network configuration.
Risk Assessment
The disclosure of the internal IP address may allow remote attackers to gain insights into the organization's network infrastructure, increasing the risk of attacks on internal systems.
Recommendation
It is recommended to update the ICQ software to the latest version to minimize the risk of information leakage and to implement additional security measures such as a firewall.
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Original NVD description (English source)
ICQ 98 beta on Windows NT leaks the internal IP address of a client in the TCP data segment of an ICQ packet instead of the public address (e.g. through NAT), which provides remote attackers with potentially sensitive information about the client or the internal network configuration.

