CVE-2008-0080 in WebDAV Mini-Redirector
Summary
by MITRE
Heap-based buffer overflow in the WebDAV Mini-Redirector in Microsoft Windows XP SP2, Server 2003 SP1 and SP2, and Vista allows remote attackers to execute arbitrary code via a crafted WebDAV response.
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Analysis
by VulDB Data Team • 06/01/2025
The vulnerability identified as CVE-2008-0080 represents a critical heap-based buffer overflow within the WebDAV Mini-Redirector component of Microsoft Windows operating systems. This flaw affects Windows XP Service Pack 2, Windows Server 2003 Service Pack 1 and 2, and Windows Vista, creating a significant security risk that enables remote code execution. The vulnerability stems from improper input validation within the WebDAV protocol handling mechanism, specifically when processing crafted responses from remote servers. The WebDAV Mini-Redirector serves as a crucial component for accessing WebDAV resources, making this vulnerability particularly dangerous as it can be exploited through standard web browsing activities or network shares. The heap-based nature of the overflow indicates that malicious data is written beyond the allocated memory boundaries of heap-allocated buffers, potentially allowing attackers to overwrite critical memory structures and execute arbitrary code with the privileges of the affected user. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions where insufficient bounds checking allows attackers to corrupt heap memory. The attack vector requires a remote WebDAV server to deliver a specially crafted response that triggers the vulnerable code path during normal file access operations. According to ATT&CK framework, this vulnerability maps to T1059.007 for remote code execution and T1190 for exploitation of remote services, making it a prime target for automated exploitation tools. The operational impact of this vulnerability extends beyond individual system compromise, as successful exploitation can lead to complete system takeover, data exfiltration, and lateral movement within network environments. The vulnerability's exploitation typically involves crafting malicious WebDAV responses that contain oversized data structures, causing the heap memory allocation to overflow and corrupt adjacent memory regions. This type of vulnerability is particularly concerning in enterprise environments where WebDAV access is common for file sharing and collaboration services. The memory corruption can result in unpredictable behavior including application crashes, system instability, or complete system compromise, depending on the specific memory locations overwritten during the attack. The exploitability of this vulnerability is enhanced by the fact that WebDAV functionality is often enabled by default in Windows environments, and users may unknowingly access malicious WebDAV servers while browsing the internet or accessing network shares. Mitigation strategies include applying Microsoft security patches immediately, disabling WebDAV functionality where possible, implementing network segmentation to limit access to WebDAV resources, and monitoring for suspicious WebDAV traffic patterns. Organizations should also consider deploying intrusion detection systems that can identify and block malicious WebDAV responses, while implementing least privilege principles to minimize the potential impact of successful exploitation. The vulnerability demonstrates the importance of proper memory management in network protocol implementations and highlights the need for comprehensive input validation across all system components. This particular vulnerability type falls under the broader category of memory safety issues that continue to plague software systems and represents a fundamental challenge in developing secure network applications. The long-term implications include the need for enhanced software security testing methodologies and the importance of addressing buffer overflow vulnerabilities in legacy systems that may not receive regular updates. The vulnerability's classification as a remote code execution flaw places it in the highest severity category, requiring immediate attention from security teams and system administrators to prevent potential exploitation by threat actors.