CVE-1999-0010 in BIND
Summary
by MITRE
Denial of Service vulnerability in BIND 8 Releases via maliciously formatted DNS messages.
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Analysis
by VulDB Data Team • 04/17/2026
The vulnerability identified as CVE-1999-0010 represents a critical denial of service weakness within the Berkeley Internet Name Domain software version 8 releases. This flaw specifically targets the DNS server implementation that processes incoming DNS queries and responses, creating a scenario where maliciously crafted DNS messages can cause the affected BIND server to crash or become unresponsive. The vulnerability stems from inadequate input validation mechanisms within the DNS message parsing routines, allowing attackers to construct specially formatted packets that trigger unexpected behavior in the server's processing logic.
The technical root cause of this vulnerability lies in the insufficient sanitization of DNS message structures during the parsing phase of the BIND 8 implementation. When the server receives malformed DNS packets containing unexpected field values or malformed message headers, the parsing algorithm fails to properly handle these edge cases, leading to memory corruption or execution flow disruptions. This weakness is particularly dangerous because DNS servers operate as critical infrastructure components that must maintain continuous availability, and any disruption can cascade into widespread service outages affecting numerous network users and applications that depend on DNS resolution services.
The operational impact of CVE-1999-0010 extends beyond simple service disruption, as it can be exploited by attackers to create sustained denial of service conditions that may require manual intervention to resolve. Network administrators face the challenge of identifying and mitigating these attacks while maintaining legitimate DNS service availability for authorized users. The vulnerability particularly affects organizations that rely on older BIND 8 implementations, which were widely deployed in the late 1990s and early 2000s, making it a persistent threat in legacy network environments. This weakness aligns with CWE-129, which describes improper validation of input ranges, and represents a classic example of how malformed input can lead to system instability and service disruption.
Mitigation strategies for this vulnerability require immediate implementation of software updates to BIND 8.2 or later versions that include proper input validation and error handling mechanisms. Organizations should also implement network-level filtering to block suspicious DNS traffic patterns and deploy intrusion detection systems that can identify malformed DNS packets. The remediation process involves thorough testing of updated BIND configurations to ensure compatibility with existing network services while maintaining the enhanced security measures that prevent exploitation of this particular vulnerability. This vulnerability demonstrates the importance of maintaining up-to-date DNS server implementations and highlights the need for robust input validation practices that align with industry security standards and best practices for preventing similar issues in modern network infrastructure deployments.