Denial of Service Risk in Microsoft ISA Server 2000's H.323 Gatekeeper Service

CVE-2001-0546

Summary

The H.323 Gatekeeper Service in Microsoft ISA Server 2000 is susceptible to a memory leak vulnerability that can be exploited by remote attackers. By sending a significant volume of malformed H.323 data packets, an attacker can cause resource exhaustion, potentially leading to a denial of service. This vulnerability emphasizes the importance of robust input validation and memory management protocols to ensure system stability and security.

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