CVE-2005-0048 in Windows
Summary
by MITRE
Microsoft Windows XP SP2 and earlier, 2000 SP3 and SP4, Server 2003, and older operating systems allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IP packets with malformed options, aka the "IP Validation Vulnerability."
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Analysis
by VulDB Data Team • 01/03/2025
The vulnerability identified as CVE-2005-0048 represents a critical flaw in the Internet Protocol implementation of several Microsoft operating systems including Windows XP SP2 and earlier versions, Windows 2000 SP3 and SP4, and Windows Server 2003. This vulnerability specifically targets the IP packet validation mechanisms within the kernel networking stack, creating a pathway for remote exploitation that can result in both denial of service conditions and potential code execution. The flaw stems from insufficient validation of IP packet options, allowing attackers to craft malicious packets that exploit the parsing logic in the operating system's network protocol implementation.
The technical nature of this vulnerability can be categorized under CWE-129, which describes improper validation of array indices, and more specifically relates to CWE-125, which covers out-of-bounds read conditions. The vulnerability occurs when the system processes IP packets containing malformed options that exceed the expected buffer boundaries or contain invalid structures. Attackers can construct IP packets with specially crafted options fields that, when processed by the vulnerable operating system, trigger memory corruption conditions. The flaw is particularly dangerous because it operates at the kernel level, meaning that successful exploitation can lead to privilege escalation and complete system compromise. The vulnerability is classified as a remote code execution vulnerability under the MITRE ATT&CK framework in the technique T1203, which covers exploitation for privilege escalation through kernel-level attacks.
The operational impact of CVE-2005-0048 is severe and affects a wide range of systems that were prevalent during the mid-2000s era. Organizations running these older operating systems face significant risk of network-wide disruption, as the vulnerability can be exploited without authentication and can be triggered by simply sending malformed packets to targeted systems. The denial of service aspect of this vulnerability means that network availability can be compromised, potentially affecting critical business operations and services. The potential for remote code execution creates additional security concerns, as attackers could gain unauthorized access to systems and potentially establish persistent backdoors. Systems that rely on network connectivity for operations, including web servers, database servers, and network infrastructure devices, would be particularly vulnerable to this attack vector.
Mitigation strategies for this vulnerability should include immediate deployment of Microsoft security patches, specifically the update released in March 2005 as part of the Windows Update service. Organizations should implement network segmentation and access control measures to limit exposure, including firewall rules that filter malformed IP packets at network boundaries. Network administrators should consider implementing intrusion detection systems to monitor for suspicious packet patterns that may indicate exploitation attempts. The vulnerability also highlights the importance of maintaining up-to-date security patches and following secure coding practices in network protocol implementations. Organizations should conduct vulnerability assessments to identify systems running affected operating systems and prioritize their remediation. Additionally, network monitoring should be enhanced to detect unusual traffic patterns that might indicate exploitation attempts, particularly focusing on malformed IP packet analysis as recommended in the NIST cybersecurity framework for network security monitoring.